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HTTP/1.1 200 OKDate: Mon, 02 Feb 2026 02:48:53 GMTContent-Type: text/html; charsetutf-8Transfer-Encoding: chunkedConnection: keep-aliveNel: {report_to:cf-nel,success_fraction:0.0,max_age:604800}Accept-Ranges: bytesAccess-Control-Allow-Origin: *Cache-Control: no-cache, must-revalidateLast-Modified: Thu, 08 Jan 2026 09:23:50 GMTStrict-Transport-Security: max-age2592000; includeSubDomains; preloadcf-cache-status: DYNAMICReport-To: {group:cf-nel,max_age:604800,endpoints:{url:https://a.nel.cloudflare.com/report/v4?sgnJsS8bCAThs64LL8hxx8JC5IRdVX3ExJtJWQLzg8Gc06KLyElmkWATJFo4okLyRxfol%2Fr5QoUdPWDKSZLR7mdrkLWoOL%2FHq1cpSlo8%3D}}Server: cloudflareCF-RAY: 9c765f46097d68f1-PDXalt-svc: h3:443; ma86400

!DOCTYPE html>htmllangen >head>metacharsetUTF-8>title>Pablitron/title>metahttp-equivContent-Security-Policy contentupgrade-insecure-requests>metacontentminimum-scale1.0, widthdevice-width, maximum-scale1.0, user-scalableno nameviewport />linkrelicon hrefhttps://000706013.deployed.codepen.website/pablitron.ico />metapropertyog:title contentPablitron.com/>metapropertyog:image contenthttps://000706013.deployed.codepen.website/pablitron_logo.jpeg/>metapropertyog:description contentadvanced calculator/>metapropertyog:url contenthttps://pablitron.com/>metapropertyog:image:width content1200 />metapropertyog:image:height content630/>meta namedescription contentPablitron is an interactive math exploration platform for discovering sequences, series, integer transforms, matrices, and number theory through real-time computation and visualization. />metapropertyog:type contentwebsite/>metanameviewport contentwidthdevice-width, initial-scale1>link hrefhttps://fonts.googleapis.com/css2?familyNoto+Sans+Symbols+2&displayswap relstylesheet>link relstylesheet hrefhttps://cdn.jsdelivr.net/npm/swiffy-slider@1.6.0/dist/css/swiffy-slider.min.css>script srchttps://cdn.jsdelivr.net/npm/swiffy-slider@1.6.0/dist/js/swiffy-slider.min.js defer>/script>linkrelstylesheet hrefhttps://prismjs.com/themes/prism.css>linkrelstylesheet hrefhttps://prismjs.com/plugins/line-numbers/prism-line-numbers.css>linkrelstylesheet hrefhttps://live.prismjs.com/prism-live.css>linkrelstylesheet hrefhttps://fonts.googleapis.com/css2?familyNunito+Sans:wght@100;300&displayswap>linkrelstylesheet hrefhttps://cdn.jsdelivr.net/npm/chosen-js@1/chosen.min.css>linkrelstylesheet hrefhttps://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/css/toastr.min.css>linkrelstylesheet hrefhttps://000706013.deployed.codepen.website/style.css>/head>body>link relpreconnect hrefhttps://fonts.googleapis.com>link relpreconnect hrefhttps://fonts.gstatic.com crossorigin>link hrefhttps://fonts.googleapis.com/css2?familyRoboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&displayswap relstylesheet>div idloadingPageOverlay classmask style/*0D0B0C*/display: block;position: fixed;height:100%;background-color: #0D0B0C;  background-image: url(https://000706013.deployed.codepen.website/pablitron_logo.jpeg);  background-repeat: no-repeat;  background-position: center;  background-size: contain;>span stylecolor:#FFF;position: relative;top: 1%;width: 100%;text-align: center;margin-top: 30px;>  span istype-async idtype-text>Loading Pablitron.com v0.1.3/span>      span classblinking-cursor>_/span>    div classeyeLoader>      div classeyePupil>/div>    /div>    h1 classloaderGallery>            !--span>𝜋/span>      span>φ/span>      span>e/span>-->      span>img srchttps://oeis.org/banner2021.jpg stylewidth: 38px;    height: 50px;    object-fit: cover;    object-position: 0% 12px;/>/span>            span>img srchttps://mathjs.org/css/img/mathjs_330x100.png width50px />/span>      span>img srchttps://echarts.apache.org/en/images/favicon.png?_v_20200710_1 width50px />/span>      span>img srchttps://www.mathjax.org/badge/mj-logo.svg width50px stylebackground-color:#FFF; />/span>      !--span>img srchttps://prismjs.com/assets/logo.svg width50px />/span>-->      !--span>img srchttps://www.easyprogramming.net/logo/jquery.png width50px />/span>    /h1>-->/div>div idmask classmask>/div>div idpopup_listformula classpopupContainer popup_listFormula >/div>div idpopup_details classpopupContainer popup_details  >/div>div idpopup_Advanced classpopupContainer popup_listFormula >/div>div idpopup_Histo classpopupContainer popup_Histo  >/div>div idpopup_Options classpopupContainer popup_Options>  span>Number precision : /span>span idlbl_Option-Precision classbold>500 digits/span>   br/>                    input typerange min5 max998 value509 classslider idOption-Precision oninputUpdatePrecision(this.value);> button onclickµ.get(Option-Precision).value15;UpdatePrecision(15);>S/button>button onclickµ.get(Option-Precision).value50;UpdatePrecision(50);>L/button>button onclickµ.get(Option-Precision).value250;UpdatePrecision(250);>XL/button>button onclickµ.get(Option-Precision).value509;UpdatePrecision(509);>XXL/button>                        br/>  span idlbl_Option-Precision-warning>i>⚠️ high precision, may slow down computation & display time/i>/span>                          BR/>BR/>span>formula font size : /span>span idlbl_Option-FormulaFontSize classbold>16 px/span>BR/>          input typerange min5 max78 value16 classslider idOption-FormulaFontSize oninputUpdateFormulaFontSize(this.value);>   button onclickµ.get(Option-FormulaFontSize).value8;UpdateFormulaFontSize(8);>XS/button>button onclickµ.get(Option-FormulaFontSize).value16;UpdateFormulaFontSize(16);>S/button>button onclickµ.get(Option-FormulaFontSize).value24;UpdateFormulaFontSize(24);>L/button>button onclickµ.get(Option-FormulaFontSize).value48;UpdateFormulaFontSize(48);>XL/button>  BR/>BR/>    span>default matrix/tables Columns x Rows displayed :/span>span idlbl_Option-MaxArrayItems classbold> 5x5/span>BR/>          input typerange min3 max225 value5 classslider idOption-MaxArrayItems oninputUpdateMaxArrayItems(this.value);> button onclickµ.get(Option-MaxArrayItems).value5;UpdateMaxArrayItems(5);>S/button>button onclickµ.get(Option-MaxArrayItems).value10;UpdateMaxArrayItems(10);>L/button>button onclickµ.get(Option-MaxArrayItems).value20;UpdateMaxArrayItems(20);>XL/button>            BR/>BR/>    span>default Max decimal places shown : /span>span idlbl_Option-MaxDigitsDisplayed classbold>5/span>BR/>          input typerange min1 max510 value5 classslider idOption-MaxDecimalPlaces oninputUpdateMaxDecimalPlaces(this.value);> button onclickµ.get(Option-MaxDecimalPlaces).value5;UpdateMaxDecimalPlaces(5);>S/button>button onclickµ.get(Option-MaxDecimalPlaces).value15;UpdateMaxDecimalPlaces(15);>L/button>button onclickµ.get(Option-MaxDecimalPlaces).value50;UpdateMaxDecimalPlaces(50);>XL/button>          span idlbl_Option-MaxDigitsDisplayed-sample styleword-wrap: break-word;>(π3.14159...)/span>  BR/>BR/>    span>default Max List elements shown : /span>span idlbl_Option-MaxSequenceItemsDisplayed classbold>10/span>BR/>          input typerange min10 max509 value10 classslider idOption-MaxSequenceItemsDisplayed oninputUpdateMaxSequenceItemsDisplayed(this.value);> button onclickµ.get(Option-MaxSequenceItemsDisplayed).value10;UpdateMaxSequenceItemsDisplayed(10);>S/button>button onclickµ.get(Option-MaxSequenceItemsDisplayed).value20;UpdateMaxSequenceItemsDisplayed(20);>L/button>button onclickµ.get(Option-MaxSequenceItemsDisplayed).value50;UpdateMaxSequenceItemsDisplayed(50);>XL/button>button onclickµ.get(Option-MaxSequenceItemsDisplayed).value200;UpdateMaxSequenceItemsDisplayed(200);>XXL/button>            span idlbl_Option-MaxSequenceItemsDisplayed-sample styleword-wrap: break-word;>{1,2,3,4,5,6,7,8,9,...,20}/span>  BR/>BR/>    span>Default boolean display :/span>          select idOption-DisplayMatrixAsTable oninputUpdateDisplayMatrixAsTable(this.value);>            option valueint>1 or 0/option>            option valuebool selectedselected>true or false/option>  /select>            BR/>BR/>    span>Default resultset display :/span>          select idOption-DisplayMatrixAsTable oninputUpdateDisplayMatrixAsTable(this.value);>            option valuelist>list/option>            option valuetable selectedselected>table/option>  /select>            BR/>BR/>    span>OEIS fraction match :/span>BR/>select idOption-OEISFraction onchangeRenderer.config.OEISMatching.OEISfractionthis.optionsthis.selectedIndex.id;>option id1>Numerator/option>option id2>Denominator/option>/select>BR/>                BR/>        !--div styledisplay:flex;>          theme             button idtheme-toggle classbtn btn-link btn-sm ml-2 small typebutton>            span classd-block-light d-none>🌑/span>            span classd-block-dark d-none>💡/span>          /button>        /div>-->        !--button classToolMenuButton btn-compute onclickalert(nope... todo;));>💾 Save/button>        button classToolMenuButton button-col-gray btn-compute onclickalert(nope... todo;));>💾 Load/button>        button classToolMenuButton button-col-yellow btn-compute onclickalert(nope... todo;));>🗳 Import/button>-->        !--button idshareButton classToolMenuButton button-col-yellow btn-compute >📂 Share/button>-->        button classToolMenuButton button-col-blue btn-compute stylepadding: 0px; onclicknew storageManager().GetLocalStorageDetails();>💽 Storage/button>BR/>  BR/>  button   stylefloat:right; onclickHidePopup(popup_Options);document.body.style.overflow  visible;>Close/button>/div>div idpopup_Help class/*popupContainer*/ popup_Help>  span>formula operators   🔎 /span>input idhelpSearch stylewidth:80px; oninput/*filterSuggest(help_operators,this.value);*/ autocompleteoff>/input >button   stylefloat:right; onclickHidePopup(popup_Help);document.body.style.overflow  visible;>Close/button>BR/>  div idhelp_operators classcommandclassification>/div>!--BR/>  span>commands details/span>BR/>  div idhelp_commands>/div>BR/>  BR/>-->  /div>  div idpopup_PablitronHelper class/*popupContainer*/ popup_PablitronHelper>  button   stylewidth:100%; onclickHidePopup(popup_PablitronHelper);stopAllYouTubeVideos();document.body.style.overflow  visible;>Close/button>BR/>  div idPablitronHelper-CommandDetails classmarkdownContent scrollableContent>/div>    /div>div idpopup_editRecursive classpopupContainer popup_editRecursive >  button stylefloat: right;    right: 25px; position: relative;   top: 6px;z-index:20000; onclickHidePopup(popup_editRecursive);document.body.style.overflow  visible;>X/button>  textarea idCodeContent classprism-live language-js fill style--max-height: 30em spellcheckfalse onChangeUpdateJSCode();>function f(n) {  var fibArr  ,    i  math.bignumber(0),    j  math.bignumber(1);  fibArr.push(i);  fibArr.push(j);  while (fibArr.length  n) {    fibArr.push(math.add(fibArrj,fibArri));    j++;    i++;  }  return fibArr;};/textarea>/div>div idMainMenu classMainMenu>span classno-text-selection MenuIcon>div classcube-container>  div idCubeLoader classcube>    figure classfront>👁/figure>    figure classback>P/figure>    figure classright>B/figure>    figure classleft>A/figure>    figure classtop>L/figure>    figure classbottom>I/figure>  /div>/div>!--🧪-->/span>span classno-text-selection MainTitle>b>P/b>ablitron.com - i>v0.1.3 beta/i>/span>span  idMainMenuButton classno-text-selection MainMenuIcon onclickµ.get(mainMenuLinks).style.displayblock?µ.get(mainMenuLinks).style.display  none:µ.get(mainMenuLinks).style.display block> ⠇/span>/div>  div idmainMenuLinks>    a href#FormulaList onclickshowPopup(popup_listformula);/*$(#filterFormulaList).focus();*/µ.get(mainMenuLinks).style.display  none;>📚 Formula quickbooks/a>    a href#InputHistory onclickshowPopup(popup_Histo);/*$(#filterHistoList).focus();*/µ.get(mainMenuLinks).style.display  none;>📜 My inputs history ( span idLogsFormula>/span> )/a>    a href#ClearScreen onclickClearScreen();>♻ Clear screen/a>    !--a href#SaveFormulaPicture onclickSaveFormulaAsPicture();>📷 Save formula as picture/a>-->    a href#Sharethis onclickSharePablitron();>📂 Share this Pablitron 👁/a>    a href#options onclickDisplayOptions();>🛠️ Options/a>    a idtheme-toggle href#SwitchTheme>span classd-block-light d-none>🌑/span>            span classd-block-dark d-none>💡/span> Switch Theme/a>    a href#about onclickDisplayHelp();>❔ Help/a>  /div>  div idFormulaParameters classBox_highlight overCalc>  !--textarea idformula classprism-live langage-js fill overCalc style--max-height: 30em languagenb onfocusshowCalculator(); onblurhideCalculator();>/textarea>span idformulaHighligths styledisplay:none;>/span>-->  div idmathField-wrapper stylewidth: 100%>  /div>      table stylewidth:100% classoverCalc>    tr stylemax-width: calc(100vw - 67px);>      td width0px>        !--span classno-text-selection>Fsub>n/sub>/span>-->      /td>    /tr>    tr>      td width30px>span idformulaLabel classno-text-selection>⨍sub>(n)/sub>/span>/td>      td>        div idTexViewerFormulaContainer classTexViewerFormulaContainer>          !--math-field idmathQuill stylez-index:2;position:relative; font-size:15px;min-width:100%>/math-field>          math-field idmathKeyboard styledisplay:none;visibility:hidden;>/math-field>-->          span idTexViewerFormula classTexViewer >/span>        /div>      /td>/tr>/table>  div idformulaWrapperContainer classoverCalc>    div idformulaWrapper classoverCalc>span idformulaHighligths stylewhite-space: pre;>type a formula or an integer/span>input idformula classinputBoxFormula spellcheckfalse typetext stylewidth:100%; placeholdertype a formula or an integer valuen onclick/*setCaret(event);showCalculator();*/ onfocus/*blur();*/showCalculator(); onblurhideCalculator(); autocompleteoff />/div>        div idcalcbuttons width100% classCalculatorButtonsContainer virtualKeyboard>       !--button classsmalBut button-col-gray op7 onclicksetOperator(this); classsmalBut>7 /button>  button classsmalBut button-col-gray op8 onclicksetOperator(this); classsmalBut>8 /button>  button classsmalBut button-col-gray op9 onclicksetOperator(this); classsmalBut>9 /button>  button op* onclicksetOperator(this); classsmalBut>*/button>  button op( onclicksetOperator(this); offset classsmalBut>(span op classoptBut offset>/span>/button>  button op) onclicksetOperator(this); classsmalBut offset>)span op classoptBut offset>/span>/button>  button opchose_adv onclicksetOperator(this); classbutton-col-orange smalBut>➕span classmoreBut>⋯/span>/button>   button opcreate_matrix onclicksetOperator(this); classbutton-col-blue smalBut>🔢span classmoreBut>⋯/span>/button>-->  !--➕▼-->  !--p classbreaker advBut>/p>  button opsimplify offset-1 onclicksetOperator(this); classbutton-col-orange advBut>Simplify/button>  button opderivative offset-1 onclicksetOperator(this); classbutton-col-orange advBut>Derivative/button>  button opwolfram offset-1 onclicksetOperator(this); classbutton-col-orange advBut>Wolfram/button>-->      button opsimplify offset-1 onclicksetOperator(this); classbutton-col-blue smalBut>Simpfy/button>      button opderivative offset-1 onclicksetOperator(this); classbutton-col-blue smalBut>⨍/button>      button opwolfram offset-1 onclicksetOperator(this); classbutton-col-blue smalBut stylecursor: alias;>svg stylewidth:100%;    max-width:32px;margin-top:5px; viewBox0 0 20 20>path classmainColor dM15.33 10l2.17-2.47-3.19-.71.33-3.29-3 1.33L10 2 8.35 4.86l-3-1.33.32 3.29-3.17.71L4.67 10 2.5 12.47l3.19.71-.33 3.29 3-1.33L10 18l1.65-2.86 3 1.33-.32-3.29 3.19-.71zm-2.83 1.5h-5v-1h5zm0-2h-5v-1h5z fill#777>/path>/svg>!--img srchttps://www.wolframalpha.com/_next/static/images/favicon_1zbE9hjk.ico stylewidth:100%;    max-width:32px;margin-top:5px;/>-->/button>      button opcreate_matrix onclicksetOperator(this); classbutton-col-gray smalBut>🔢span classmoreBut>⋯/span>/button>      button oppaste classsmalBut button-col-gray onclicksetOperator(this);>📋/button>      button op onclicksetOperator(this); classbutton-col-gray smalBut></button>  button op> onclicksetOperator(this); classbutton-col-gray smalBut>>/button>  button opdelete onclicksetOperator(this); classbutton-col-gray smalBut>❌/button>      button opvalidate onclickhideCalculator(true);setTimeout(()>{ApplyFormula();},500); classbutton-col-orange smalBut>↲/button>      div idAutoSuggest classAutoSuggest>      /div>  !--button op* onclicksetOperator(this); classsmalBut>*/button>-->  !--button op( onclicksetOperator(this); offset classsmalBut>(span op classoptBut offset>/span>/button>-->  !--button op) onclicksetOperator(this); classsmalBut offset>)span op classoptBut offset>/span>/button>-->  !--button opchose_adv onclicksetOperator(this); classbutton-col-orange smalBut>➕span classmoreBut>⋯/span>/button> -->      p classbreaker matrixBut>/p>  button opcreateMatrix offset-1 dim2x1 onclicksetOperator(this); classbutton-col-blue matrixBut>2x1/button>  button opcreateMatrix offset-1 dim3x1 onclicksetOperator(this); classbutton-col-blue matrixBut>3x1/button>  button opcreateMatrix offset-1 dim4x1 onclicksetOperator(this); classbutton-col-blue matrixBut>4x1/button>  button opcreateMatrix offset-1 dim5x1 onclicksetOperator(this); classbutton-col-blue matrixBut>5x1/button>  p classbreaker matrixBut>/p>  button opcreateMatrix offset-1 dim2x2 onclicksetOperator(this); classbutton-col-blue matrixBut>2x2/button>  button opcreateMatrix offset-1 dim3x2 onclicksetOperator(this); classbutton-col-blue matrixBut>3x2/button>  button opcreateMatrix offset-1 dim4x2 onclicksetOperator(this); classbutton-col-blue matrixBut>4x2/button>  button opcreateMatrix offset-1 dim5x2 onclicksetOperator(this); classbutton-col-blue matrixBut>5x2/button>  p classbreaker matrixBut>/p>  button opcreateMatrix offset-1 dim2x3 onclicksetOperator(this); classbutton-col-blue matrixBut>2x3/button>  button opcreateMatrix offset-1 dim3x3 onclicksetOperator(this); classbutton-col-blue matrixBut>3x3/button>  button opcreateMatrix offset-1 dim4x3 onclicksetOperator(this); classbutton-col-blue matrixBut>4x3/button>  button opcreateMatrix offset-1 dim5x3 onclicksetOperator(this); classbutton-col-blue matrixBut>5x3/button>  p classbreaker matrixBut>/p>  button opcreateMatrix offset-1 dim2x4 onclicksetOperator(this); classbutton-col-blue matrixBut>2x4/button>  button opcreateMatrix offset-1 dim3x4 onclicksetOperator(this); classbutton-col-blue matrixBut>3x4/button>  button opcreateMatrix offset-1 dim4x4 onclicksetOperator(this); classbutton-col-blue matrixBut>4x4/button>  button opcreateMatrix offset-1 dim5x4 onclicksetOperator(this); classbutton-col-blue matrixBut>5x4/button>  p classbreaker matrixBut>/p>  button opcreateMatrix offset-1 dim2x5 onclicksetOperator(this); classbutton-col-blue matrixBut>2x5/button>  button opcreateMatrix offset-1 dim3x5 onclicksetOperator(this); classbutton-col-blue matrixBut>3x5/button>  button opcreateMatrix offset-1 dim4x5 onclicksetOperator(this); classbutton-col-blue matrixBut>4x5/button>  button opcreateMatrix offset-1 dim5x5 onclicksetOperator(this); classbutton-col-blue matrixBut>5x5/button>    p classbreaker>/p>  !--button classsmalBut button-col-gray op4 onclicksetOperator(this);>4 /button>  button classsmalBut button-col-gray op5 onclicksetOperator(this);>5 /button>  button classsmalBut button-col-gray op6 onclicksetOperator(this);>6 /button>  button op+ onclicksetOperator(this); classsmalBut>+/button>  button opn onclicksetOperator(this); classsmalBut offset>𝓃span opx classoptBut offset>𝓍/span>/button>  button op^() offset-1 onclicksetOperator(this); classsmalBut>asup>(▢)/sup>span opsqrt() offset-1 classoptBut optButSqrt>√span styletext-decoration:overline>(▢)/span>/span>/button>  button opcbrt() offset-1 onclicksetOperator(this); classsmalBut>∛span styletext-decoration:overline>(▢)/span>/button>  button oplog() offset-1 onclicksetOperator(this); classsmalBut>ln(▢)span oplog10() offset-1 classoptBut optButLog>log(▢)/span>/button>  button opchose_ceil offset-1 onclicksetOperator(this); classsmalBut>⌊▢⌉span classmoreBut>⋯/span>/button>  p classbreaker>/p>  button opround() offset-1 onclicksetOperator(this); classbutton-col-gray ceilBut>round(▢)/button>  button opceil() offset-1 onclicksetOperator(this); classbutton-col-gray ceilBut>ceil(▢)/button>  button opfloor() offset-1 onclicksetOperator(this); classbutton-col-gray ceilBut>floor(▢)/button>  button opfrac() offset-1 onclicksetOperator(this); classbutton-col-gray ceilBut>frac(▢)/button>  p classbreaker>/p>  button classsmalBut button-col-gray op1 onclicksetOperator(this);>1 /button>  button classsmalBut button-col-gray op2 onclicksetOperator(this);>2 /button>  button classsmalBut button-col-gray op3 onclicksetOperator(this);>3 /button>  button op- onclicksetOperator(this); classsmalBut>-/button>  button opj offset onclicksetOperator(this); classsmalBut>𝒿span opy classoptBut offset>𝓎/span>/button>  button opabs() offset-1 onclicksetOperator(this); classsmalBut>|▢|/button>  button opchose_sin onclicksetOperator(this); classsmalBut>∡span classmoreBut>⋯/span>/button>  button opchose_fplus onclicksetOperator(this); classsmalBut>⨍▢span classmoreBut>⋯/span>/button>  button opchose_const onclicksetOperator(this); classsmalBut>ζ,𝛄span classmoreBut>⋯/span>/button>  p classbreaker>/p>  button opcos() offset-1 onclicksetOperator(this); classbutton-col-gray sinBut>cos(▢)/button>  button opcosh() offset-1 onclicksetOperator(this); classbutton-col-gray sinBut>cosh(▢)/button>  button opacos() offset-1 onclicksetOperator(this); classbutton-col-gray sinBut>acos(▢)/button>  button opacosh() offset-1 onclicksetOperator(this); classbutton-col-gray sinBut>acosh(▢)/button>  p classbreaker  sinBut>/p>  button opsin() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>sin(▢)/button>  button opsinh() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>sinh(▢)/button>  button opasin() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>asin(▢)/button>  button opasinh() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>asinh(▢)/button>  p classbreaker  sinBut>/p>  button optan() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>tan(▢)/button>  button optanh() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>tanh(▢)/button>  button opatan() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>atan(▢)/button>  button opatanh() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>atanh(▢)/button>  p classbreaker  sinBut>/p>  button opcot() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut >cot(▢)/button>  button opcoth() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>coth(▢)/button>  button opacot() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>acot(▢)/button>  button opacoth() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>acoth(▢)/button>  p classbreaker  sinBut>/p>  button opcsc() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>csc(▢)/button>  button opcsch() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>csch(▢)/button>  button opacsc() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>acsc(▢)/button>  button opacsch() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>acsch(▢)/button>  p classbreaker  sinBut>/p>  button opsec() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>sec(▢)/button>  button opsech() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>sech(▢)/button>  button opasec() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>asec(▢)/button>  button opasech() offset-1 onclicksetOperator(this); classbutton-col-gray  sinBut>asech(▢)/button>  p classbreaker  sinBut>/p>  p classbreaker fplusBut>/p>  button opfib() offset-1 onclicksetOperator(this); classbutton-col-gray fplusBut>fib(▢)/button>  button opcollatz offset-1 onclicksetOperator(this); classbutton-col-gray fplusBut>collatz▢/button>  button opclzft offset-1 onclicksetOperator(this); classbutton-col-gray fplusBut>clzft▢/button>  button opnpartitions offset-1 onclicksetOperator(this); classbutton-col-gray fplusBut>npartitions▢/button>  p classbreaker fplusBut>/p>  button opdivisors() offset-1 onclicksetOperator(this); classbutton-col-gray fplusBut>Sigmasub>0/sub>(▢)/button>  button opsigma() offset-1 onclicksetOperator(this); classbutton-col-gray fplusBut>Sigmasub>1/sub>(▢)/button>  button opsigmam() offset-1 onclicksetOperator(this); classbutton-col-gray fplusBut>Sigmasub>-1/sub>(▢)/button>  button opbinomial(,) offset-2 onclicksetOperator(this); classbutton-col-gray fplusBut>Binomial(▢,▢)/button>  p classbreaker fplusBut>/p>  button opeulerian(,) offset-2 onclicksetOperator(this); classbutton-col-gray fplusBut>Eulerian(▢,▢)/button>  button opstirling(,) offset-2 onclicksetOperator(this); classbutton-col-gray fplusBut>Stirling(▢,▢)/button>  button opstirling2(,) offset-2 onclicksetOperator(this); classbutton-col-gray fplusBut>Stirling2(▢,▢)/button>  p classbreaker fplusBut>/p>  button optotient() offset-1 onclicksetOperator(this); classbutton-col-gray fplusBut>Totient(▢)/button>  button opgcd(,) offset-2 onclicksetOperator(this); classbutton-col-gray fplusBut>gcd(▢,▢)/button>  button oplcm(,) offset-2 onclicksetOperator(this); classbutton-col-gray fplusBut>lcm(▢,▢)/button>  p classbreaker fplusBut>/p>  button opnarayana(,) offset-2 onclicksetOperator(this); classbutton-col-gray fplusBut>narayana(▢,▢)/button>  button opdelannoy(,) offset-2 onclicksetOperator(this); classbutton-col-gray fplusBut>delannoy(▢,▢)/button>    button opmotzkin() offset-1 onclicksetOperator(this); classbutton-col-gray fplusBut>motzkin(▢)/button>  p classbreaker fplusBut>/p>  button opworpitzky(,) offset-2 onclicksetOperator(this); classbutton-col-gray fplusBut>worpitzky(▢,▢)/button>  button opharmonic() offset-1 onclicksetOperator(this); classbutton-col-gray fplusBut>harmonic(▢)/button>  button opalterharmonic() offset-1 onclicksetOperator(this); classbutton-col-gray fplusBut>alterharmonic(▢)/button>  button opzeta() offset-1 onclicksetOperator(this); classbutton-col-gray fplusBut>zeta(▢)/button>    p classbreaker fconstBut>/p>  button opeulergamma offset0 onclicksetOperator(this); classbutton-col-gray fconstBut>𝛄 Euler-Mascheroni/button>  button opfeigenbaum offset0 onclicksetOperator(this); classbutton-col-gray fconstBut>𝛿 Feigenbaum/button>  p classbreaker fconstBut>/p>  button opphi offset0 onclicksetOperator(this); classbutton-col-gray fconstBut>𝜑 Golden ratio/button>  button opsupergolden offset0 onclicksetOperator(this); classbutton-col-gray fconstBut>ψ SuperGolden ratio/button>  button opsilverratio offset0 onclicksetOperator(this); classbutton-col-gray fconstBut>𝛿sub>s/sub> Silver ratio/button>  button opbronzeratio offset0 onclicksetOperator(this); classbutton-col-gray fconstBut>𝛿sub>b/sub> Bronze ratio/button>  button opsupersilver offset0 onclicksetOperator(this); classbutton-col-gray fconstBut>	ς SuperSilver ratio/button>  button opplasticratio offset0 onclicksetOperator(this); classbutton-col-gray fconstBut>ρ Plastic ratio/button>  p classbreaker>/p>  button classsmalBut op. onclicksetOperator(this); stylepadding-left:4px; offset>.span op, classoptBut offset>,/span>/button>-->  !--mod  -->  !--button classsmalBut button-col-gray op0 onclicksetOperator(this);>0 /button>  button op% onclicksetOperator(this); classsmalBut offset>%span op! classoptBut offset>!/span>/button>  button op/ onclicksetOperator(this); classsmalBut>//button>  button opk onclicksetOperator(this); classsmalBut offset>𝓀span opz classoptBut offset>𝓏/span>/button>  button op| onclicksetOperator(this); classbutton-col-blue smalBut>b>⇤/b>/button>  button op>| onclicksetOperator(this); classbutton-col-blue smalBut>b>⇥/b>/button>  button opcut classsmalBut button-col-blue onclicksetOperator(this);>✂/button>  button oppaste classsmalBut button-col-blue onclicksetOperator(this);>📋/button>  p classbreaker>/p>  button oppi onclicksetOperator(this); classbutton-col-blue smalBut>abc/button>-->  !--𝜋-->   !--button opswitchKey onclicksetOperator(this); classbutton-col-blue smalBut>⇄/button>-->  !--𝜏-->  !--button oppi onclicksetOperator(this); classsmalBut offset>𝜋span optau classoptBut offset>𝜏/span>/button>  button ope onclicksetOperator(this); classsmalBut offset>espan opphi classoptBut offset>φ/span>/button>  button opp() onclicksetOperator(this); classsmalBut stylepadding-left: 4px; offset-1>p(▢)/button>  button op onclicksetOperator(this); classbutton-col-blue smalBut></button>  button op> onclicksetOperator(this); classbutton-col-blue smalBut>>/button>  button operase onclicksetOperator(this); classbutton-col-blue smalBut>⌫/button>  button opvalidate onclickhideCalculator(true);setTimeout(()>{ApplyFormula();},500); classbutton-col-blue smalBut>↲/button>-->/div>      /div>div idSymbol-selector classSymbol-selector styledisplay:none;>  /div>/div>!--button idhideShowFormula stylefloat:right onclick$(#FormulaParameters).toggle();$(#BTN_ComputeFormula).toggle();$(#BTN_ComputeFormula_details).toggle();$(#hideShowFormula).toggleClass(button-silver-activated);µ.getContent(hideShowFormula).startsWith(Hide)?µ.setContent(hideShowFormula,Show ▼):µ.setContent(hideShowFormula,Hide ▲);>Hide ▲/button>-->div idToolParameters stylebackground:#EEE; padding:3px; margin: 2px;display:none;>  span idLBL_PascalTriangle classno-text-selection>Draw triangle until /span>  input idToolMin typenumber value20 stylewidth:40px />/div>button idBTN_ComputeFormula onclickApplyFormula(); classbutton-col-orange btn-compute>span idBTN_ComputeFormula_lbl>Evaluate Fsub>n/sub>/span>/button>  div idShowDetails-panel styledisplay:contents>input idBTN_ComputeFormula_details typecheckbox>Show details/input>input idBTN_ComputeFormula_fraction typecheckbox>Real as fraction/input>/div>  div idOEISGuessSequenceLoader classlds-facebook styledisplay:none;>/div>progress idpb_formulaProgress styledisplay:none>/progress>button idstopFormulaComputation classbutton-col-red styledisplay:none; onclickFormulaComputed(ApplyFormula_buffer);>Stop/button>BR />BR />div idresultPanel styledisplay:none;>  div idtransformHistory data-StackContent0>/div>    !-- empty section formatdiv classsection>  div classTitleBar>    span classcmdBarTitle>Values/span>  /div>  div classsection-content>      /div>  div width100% classCommandBar >      /div>/div> -->    div classsection>  div idTitleBar classTitleBar>    span idcmdBarTitle classcmdBarTitle>Values/span>  /div>    div classsection-content>    div idTexViewerResultsContainer classTexViewerFormulaContainer wideResultsContainer styledisplay:none;>                   span idTexViewerResults classTexViewer stylemax-width:99%;width:99%;    display: block; >/span>  /div>      textarea idTextareaResults rows4 nametext stylewidth:100%;display:block; onkeyupUpdateOEISSearch(event,);updateTexViewerResults(); placeholderEvaluate a formula or, type your integer sequence here>/textarea>    /div>div idCommandBar  classCommandBar >    button idCmdBar-ToggleListTable onclickToggleListTableView();>list view/button>        button idCmdBar-MoreDigits  onclickAddMoreDigitsInView();>more decimals/button>        button idCmdBar-MoreItems onclickAddMoreItemsInView();>expand list/button>    button idCmdBar-MoreMatrix onclickAddMoreMatrixItemsInView();>expand matrix/button>    button onclickToggleRAW(this);>raw data/button>    /div>/div>  div classsubsections Hide>/div>  div width100% classSequenceInfoZone styledisplay:none;>span idSequenceGuessedName>/span> !--button idtoolsDisplayer stylefloat:right onclick$(#DisplayToolsPopup).toggleClass(popOut-Right);$(#toolsDisplayer).toggleClass(button-silver-activated);>Tools ▼/button>    div idDisplayToolsPopup classpop>      table>        tr>          td>button onclickµ.setValue(TextareaResults,);µ.setValue(formula,n);µ.setContent(SequenceGuessedName,);µ.setContent(resultSpan,);µ.hide(selectionMode);µ.click(toolsDisplayer)>Clear/button>/td>        /tr>        tr>          td>/td>        /tr>      /table>    /div>-->  /div>/div>div classtoolbarContainerstyledisplay:none;>      div idToolsMenu classtoolbar styledisplay:none;    >button idTool1 classLargeBtn onclickTool_BTN_Inspect_Click();>big>🔍/big> Inspect/button>button idTool2 classLargeBtn onclickTool_BTN_Plot_Click();>big>📉/big> Plot/button>button idTool3 classLargeBtn onclickTool_BTN_Transform_Click();>big>🔀/big>Transform/button>!--button classLargeBtn>big>💾/big>BR/> Options/button>/div>-->/div>  div idToolChoice classtoolChoice flex-container  styledisplay:none;>    div classTool1 ToolBtn>big>🧬/big>BR/> Sequence analysis/div>    div classTool1 ToolBtn>big>🧮/big>BR/> Terms analysis/div>    div classTool1 ToolBtn>big>👓/big>BR/> Visual filter/div>    div classTool1 ToolBtn>big>🧱/big>BR/> Terms prime factorization/div>    div classTool1 ToolBtn>big>🧪/big>BR/> Search connected sequences/div>        div classTool2 ToolBtn>big>📊/big>BR/> Bar chart/div>  div classTool2 ToolBtn>big>📉/big>BR/> Scatter chart/div>    div classTool2 ToolBtn>big>📈/big>BR/> Area chart/div>    div classTool2 ToolBtn>big>✴/big>BR/> Polar chart/div>  div classTool2 ToolBtn>big>📈/big>BR/> Benfords law/div>    div classTool2 ToolBtn>big>➾/big>BR/> Transform chart/div>    div classTool2 ToolBtn>big>➗/big>BR/> Continued fraction convergence/div>    div classTool2 ToolBtn>big>⇝/big>BR/> Ratio between terms/div>    div classTool2 ToolBtn>big>⇄/big>BR/> Path chart/div>    div classTool2 ToolBtn>big>☱/big>BR/> Binary view/div>    div classTool2 ToolBtn>big>🔄/big>BR/> Modular view/div>    div classTool2 ToolBtn>big>🌌/big>BR/> Ulam spiral/div>    div classTool2 ToolBtn>big>🌌/big>BR/> Sacks spiral/div>  /div>    /div>BR />div idOptionsWrapper classOptionsWrapper styledisplay:none;>  div classtabpage>    input typeradio idtab1 nametab checked valueInspect onclickTool_BTN_Inspect_Click();>    label fortab1 classno-text-selection>🔍 Inspect/label>    input typeradio idtab2 nametab valueplot onclickTool_BTN_Plot_Click();>    label fortab2 classno-text-selection>📈 Chart/label>    input typeradio idtab3 nametab valuetransform onclickTool_BTN_Transform_Click();>    label fortab3 classno-text-selection styleborder-radius: 0px 3px;>🔢 transform/label>    !--input typeradio idtab4 nametab onclickµ.setContent(hints,knowhow.getDef(Options)+ +knowhow.getDef(Tools));>    label fortab4 styleborder-radius: 0px 3px; classno-text-selection>i classfa fa-share-alt>/i> 💾 Options/label>-->    div classline>/div>    div classcontent-container>      div classcontent idc1>        div styledisplay:flex;>Inspect: select idinspectType onchangeadaptOptionsInspect();>            option valueDetails>sequence properties/option>            option valueSumTerms>sum sequence terms/option>            !--option valueGraph>sequence graphs/option>        option valueAdvGraph>special graphs/option>-->            option valueGridDisplay>sequence grid display/option>            option valuePrimFact>prime factorization/option>            option valuetransformInspector>transform detail/option>            option valueAutoExplorer>automatic explorer/option>            option valuemiscellaneous>miscellaneous tools/option>          /select>        /div>        div idAutoExplorerOptions classBox_highlight>          input idDetails-AutoExplorerMaxChild typenumber value3 stylewidth:40px />span> max child exploration/span>        /div>        div idDetails-showAbundantDetail classBox_highlight styledisplay:none;>          input typecheckbox idDetails-showAsTable checked>Show result as table / or list  /input>          input typecheckbox idDetails-showAbundantDetailDo checked>Show/compute abundant number up to/input>          select idDetails-showAbundantDetailVal>            option value2>2 divisors/option>            option value5>5 divisors/option>            option value10>10 divisors/option>            option value20>20 divisors/option>            option value10000000 selected>all divisors/option>          /select>        /div>        div idAutoExplorerOptions_2 classBox_highlight>          select data-placeholderChoose transforms ... classchosen-select multiple idAutoExplorerTransformSelect width300px>            option valuePartialSum>Partial Sum/option>            option valueRiordanArray>Riordan Array/option>            option valueInvBinomial>Inverse Binomial/option>            option valueFiniteDiff-FD>Finite Difference - first diagonal/option>            option valueFiniteDiff-FR>Finite Difference - first row/option>            option valueFiniteDiff-SR>Finite Difference - second row/option>            option valueFiniteDiff-TR>Finite Difference - third row/option>            option valuePairSum-FD>Pair Sum - first diagonal/option>            option valuePairSum-FR>Pair Sum - first row/option>          /select>        /div>        div idAdvancedGraph_Options classBox_highlight>          input typecheckbox idAdvancedGraph_Options_ColoredBin checked>Colored Binary Words /input>          input typecheckbox idAdvancedGraph_Options_ReverseWords>Reverse Words  /input>          input idAdvancedGraph_Options_ItemsByRow typenumber value150 stylewidth:40px />span> elements by row/span>        /div>        div idAdvancedGraph_Options_ModularGraph classBox_highlight>          input typecheckbox idAdvancedGraph_Options_ColoredModular checked>Colored Modular Graph /input>        /div>        div idGridDisplayOptions_0 classBox_highlight>          input typecheckbox idDetails-BaseGridDisplay checked>Grid display with /input>input idDetails-GridRowWidth typenumber value16 stylewidth:40px />span> max elements by row/span>        /div>        div idGridDisplayOptions classBox_highlight>          input idBaseConvertChoice typecheckbox> Base convert /input>          select idconvBase>            option value2>2 (Binary)/option>            option value3>3/option>            option value4>4/option>            option value4D>4 (DNA)/option>            option value4R>4 (RNA)/option>            option value5>5/option>            option value6>6/option>            option value7>7/option>            option value8>8 (Octal)/option>            option value9>9/option>            option value11>11/option>            option value12>12/option>            option value13>13/option>            option value14>14/option>            option value15>15/option>            option value16>16 (Hexa)/option>            option value17>17/option>            option value18>18/option>            option value19>19/option>            option value20>20/option>            option value20K>20 (Kaktovik)/option>            option value20M>20 (Mayan)/option>            option value21>21/option>            option value22>23/option>            option value24>24/option>            option value25>25/option>            option value26>26/option>            option value27>27/option>            option value28>28/option>            option value29>29/option>            option value30>30/option>            option value31>31/option>            option value32>32/option>            option value33>33/option>            option value34>34/option>            option value35>35/option>            option value36>36/option>            option value42>42 (euler prime formula n^2-n+41)/option>            option value60>60 (Sumerian/Babylonian base)/option>            option value119>119 (118 known chemical elements)/option>            option value137>137 (1/fine structure constant)/option>            option value138>138 (1/fine structure constant +1)/option>            option value139>139 (bohrs 138 chemical elements limit)/option>            option value172>172 (theorical extended periodic table -1 Element)/option>            option value173>173 (172 theorical extended periodic table)/option>          /select>        /div>        div idInspectorList classBox_highlight>          select idtransformInspectorList onchangeadaptOptionsInspect();>            option valueSum>Sum terms/option>            option valueSub>Finite difference/option>            option valueWall>Number Wall/option>            option valueEulerM>Euler Machine/option>            option valueCarrL>P.Carranza L transform/option>            option valueInterPS>Interlaced Pair Sum/option>            option valueTetra>Tetrahedral/option>            option valueBoustro>Boustrophedon/option>          /select>        /div>        div idtransform-sum-opCount classBox_highlight styledisplay: inline-flex;>span classno-text-selection> each/span>          input idoperationCount-sum-detail typenumber value2 min2 max1000 stylewidth:40px>span classno-text-selection> terms/span>        /div>        div idtransform-bou-maxRow classBox_highlight styledisplay:none;>span classno-text-selection>until/span>          input idmaxRowCount-bou typenumber value10 min1 max100 stylewidth:40px>span classno-text-selection> rows/span>        /div>        div idmiscellaneous-inspect-options classBox_highlight styledisplay:none;>span classno-text-selection>select tool/span>          select idmiscellaneous-inspect-options-tool>            option valuePascal>Draw Pascal triangle/option>            option valueBell>Draw Bell triangle/option>            option valueBou>Draw Boustrophedon triangle/option>            option valueCatalan>Draw Catalans triangle/option>            option valueFloyd>Draw Floyds triangle/option>            option valueHosoya>Draw Hosoyas triangle/option>            option valueEulerian>Draw Eulerians triangle/option>            option valueNarayana>Draw Narayanas triangle/option>            option valuePow>Draw Power table/option>          /select>        /div>        div idmiscellaneous-inspect-options-tool-maxRow classBox_highlight styledisplay:none;>span classno-text-selection>show /span>          input idmiscellaneous-inspect-options-tool-maxRowCount typenumber value11 min1 max1000 stylewidth:50px>span classno-text-selection> first rows/span>        /div>      /div>      div classcontent idc2>        div styledisplay:flex;>          Chart type: select idchartType onchangeadaptOptionsChart();>            option valueGraph>sequence graphs/option>            option valueAdvGraph>special graphs/option>          /select>        /div>      /div>      div classcontent idc3>        div styledisplay:flex;>          !--input typeradio idchosenOperationTransform namechosenOperation onclickadaptOptions(); valuetransform>-->Apply transform: select idtransformType onchangeadaptOptionsTransform();>            option valueNumbDigits>number of digits/option>            option valueRem0>Remove 0s in sequence/option>            option valueInvSign>Invert Sign (*-1)/option>            option valueAltSign>Alternate Sign :i*2-1(*-1)/option>            option valueAbsSign>Absolute value | n |/option>            option valueReverse>Reverse sequence n::-1/option>            option valueSumT>Sum terms/option>            option valuePartSum>Partial sum/option>            option valueInclSum>Riordan array/option>            option valueSubT>Finite difference/option>            option valueTetraT>Tetrahedral/option>            option valueBino>Inverse binomial/option>            option valueBou>Boustrophedon/option>            option valueLaplace>Laplace/option>            option valueLagrange>Lagrange inversion/option>            option valuetr-DG>Digital root/option>            option valuetr-DS>Digit sum/option>            option valuetr-AP>Additive persistence/option>            option valuetr-MR>Multiplicative root/option>            option valuetr-MP>Multiplicative persistence/option>            option valuetr-ND>Numeric difference/option>            option valuetr-RP>Reciprocal period/option>            option valuetr-RV>Reciprocal period value/option>            !--option valueTetraDiff>Tetrahedral Diff/option>-->            option valuecustom>Custom function/option>            option valueCtdFract>Continued fraction of real/option>          option valueCtdFractToReal>real from seq. as Cont fract/option>          option valuedecExp>decimal expansion of real/option>            option valueCO>Count occurence/option>          /select>        /div>        div idtransform-customFunction classBox_highlight styledisplay:flex;width:100%>span classno-text-selection> Custom formula/span>input idcustomFunction-content typetext autocompleteoff placeholderwrite a formula , ex: n^2 stylewidth:100%>/div>        div idtransform-sum classBox_highlight styledisplay:flex;>span classno-text-selection> each/span>          input idoperationCount-sum typenumber value2 min2 max1000 stylewidth:40px>span classno-text-selection> terms/span>        /div>        div idtransform-option-choice classBox_highlight styledisplay:flex;> result is          select idtransform-result-show>            option valueFD selected>1st diagonal/option>            option valueSD>2nd diagonal/option>            option valueFR>1st row/option>            option valueSR>2nd row/option>          /select>        /div>        div idtransform-bou classBox_highlight styledisplay:none;>span classno-text-selection>until/span>          input idoperationCount-bou typenumber value10 min1 max100 stylewidth:40px>span classno-text-selection> terms/span>        /div>      /div>      div classcontent idc4>              /div>button idBTN_Tool onclickCompute(); classbutton-col-orange btn-compute snapBottom>span>Calculate/span>    div idDoItLoader classlds-facebook styledisplay:none;>      div>/div>      div>/div>      div>/div>    /div>  /button>  button idoptionDisplayer classsnapBottom styleleft:80px;>span stylepadding:0px 4px;>🛠 Numbers format ▼/span>/button>    /div>    /div>  div idOperactionChoices classChoiceMenu>    div idhints classhints>    /div>    button classhintscloseButton typebutton onclickµ.setContent(hints,)>      span aria-hiddentrue>i classfa fa-window-close>X/i>/span>    /button>    !--div>input idchosenOperationSubForward typeradio namechosenOperation valueSub onclickadaptOptions();>b classno-text-selection>Finite difference/b>/div>-->    !--div>input idchosenOperationDetails typeradio namechosenOperation valueDetails onclickadaptOptions();>b classno-text-selection >Sequence details/b>/div>-->    !--div>input idchosenOperationPlotting typeradio namechosenOperation valuePlot onclickadaptOptions();>b classno-text-selection>Graphs/b>/div>-->    !--div>input idchosenOperationConv typeradio namechosenOperation valueConv onclickadaptOptions();>b classno-text-selection>Grid Diplay /b>/div>-->  /div>  div idDisplayOptionsPopup classpop>    table>      tr>        td>input typecheckbox idPrettyPrint checkedchecked>Pretty Print/input>/td>        td>digital root base select iddgBase>          option value2>2/option>            option value3>3/option>          option value4>4/option>          option value5>5/option>          option value6>6/option>            option value7>7/option>          option value8>8/option>            option value9>9/option>            option selected value10>10/option>            option value11>11/option>            option value13>13/option>            option value19>19/option>            option value21>21/option>            option value25>25/option>            option value31>31/option>            option value43>43/option>            option value61>61/option>            option value91>91/option>            option value121>121/option>          /select>/td>      /tr>      tr>        td>input typecheckbox idPrettyPrint-InfoPlus checkedchecked>Additional number info/input>        td>select idPrettyPrint-InfoPlus-Choice>          option valueoddEven>modulo/option>            option valuedgRoot selected>Digital root/option>            option valuedgSum>Digital sum/option>            option valueaddPers>Additive persistence/option>            option valuemultRoot>Multiplicative root/option>            option valuemultPers>Multiplicative persistence/option>            option valuenumDiff>Numeric Difference/option>            option valuerecPeriod>Reciprocal period/option>            option valueeulerTotient>Euler Totient/option>          /select>/td>        /td>      /tr>      tr>        td>input typecheckbox idPrettyPrint-oddeven checkedchecked>colorize odd/Even/input>/td>        td idsampleOddEven>/td>      /tr>      tr>        td>input typecheckbox idPrettyPrint-Primes checkedchecked>Highlight primes/input>/td>        td idsamplePrime>/td>      /tr>      tr>        td>input typecheckbox idPrettyPrint-dg checkedchecked>colorize digit root/input>/td>        td idsampleDigitRoot>/td>      /tr>      tr>        td colspan2>input typecheckbox idPrettyPrint-useDGcolor>colorize numbers with digit root color/input>/td>        td>/td>      /tr>      tr>        td colspan2>          input typecheckbox idPrettyPrint-hideNumbers>No numbers/input>input idRoundShape typeradio nameshapeSelector checkedchecked>Round shape/input>input idSquareShape typeradio nameshapeSelector>Square shape/input>        /td>        td>        /td>      /tr>      tr>        td colspan2>          input typecheckbox idPrettyPrint-onlyDigitRoot>Show only number additional information/input>        /td>        td>        /td>      /tr>    /table>  /div>  BR />    span idselectionMode styledisplay:none;>Inspector:button idselectionMode_None classbutton-3d button-black button-black-activated toolbar-button toolbar-button-first onclickSelectionMode(0); titleNone>span>        div>⨯/div>      /span>/button>button idselectionMode_Horizontal classbutton-3d button-black toolbar-button toolbar-button-middle onclickSelectionMode(1); titleHorizontal>span>        div>⇿/div>      /span>/button>button idselectionMode_Diagonal classbutton-3d button-black toolbar-button toolbar-button-middle onclickSelectionMode(2); titleDiagonal left to right>span>        div>⇘/div>      /span>/button>button idselectionMode_DiagonalRevert classbutton-3d button-black toolbar-button toolbar-button-end onclickSelectionMode(3); titleDiagonal right to left>span>        div>⇙/div>      /span>/button>  /span> button tabindex0 rolebutton idshareButton classbutton-3d button-black title data-togglemodal data-target#shareModal data-placementbottom data-contentClick to share this unique pattern data-triggerfocus stylevisibility:hidden;display:none;>    span>i classfa fa-share>/i> Share/span>  /button>/div>a idsearchLink hrefhttps://oeis.org/search?q&sortcreated target_blank styledisplay:none;z-index:10>Search the sequence in oeis.org/a>div>BR />span idresultSpan>/span>/div>BR />BR />BR />BR /> script srchttps://unpkg.com/mathjs@14.6.0/lib/browser/math.js>/script> script srchttps://code.jquery.com/jquery-3.6.0.min.js>/script> script srchttps://cdnjs.cloudflare.com/polyfill/v3/polyfill.min.js?featureses6>/script> script srchttps://cdn.jsdelivr.net/npm/mathjax-full@3.2.2/es5/tex-mml-chtml.js>/script> script srchttps://prismjs.com/prism.js>/script> script srchttps://prismjs.com/plugins/line-numbers/prism-line-numbers.js>/script> script srchttps://live.prismjs.com/src/prism-live.js>/script> script srchttps://live.prismjs.com/src/prism-live-markup.js>/script> script srchttps://live.prismjs.com/src/prism-live-css.js>/script> script srchttps://cdn.jsdelivr.net/npm/echarts@5.3.2/dist/echarts.min.js>/script> script srchttps://echarts.apache.org/en/js/vendors/echarts-gl/dist/echarts-gl.min.js>/script> script srchttps://cdn.jsdelivr.net/npm/chosen-js@1/chosen.jquery.min.js>/script> script srchttps://live.prismjs.com/src/prism-live.mjs?loadcss,html,javascript>/script> script srchttps://cdnjs.cloudflare.com/ajax/libs/html2canvas/1.4.1/html2canvas.min.js>/script> script srchttps://unpkg.com/jspdf@latest/dist/jspdf.umd.min.js>/script> script srchttps://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/js/toastr.min.js>/script> script srchttps://cdn.jsdelivr.net/npm/marked/marked.min.js>/script> script  srchttps://000706013.deployed.codepen.website/script.js>/script> /body>/html>!--Minify by http://www.MinifyWeb.com/-->

Port 443

HTTP/1.1 200 OKDate: Mon, 02 Feb 2026 02:48:53 GMTContent-Type: text/html; charsetutf-8Transfer-Encoding: chunkedConnection: keep-aliveNel: {report_to:cf-nel,success_fraction:0.0,max_age:604800}Accept-Ranges: bytesAccess-Control-Allow-Origin: *Cache-Control: no-cache, must-revalidateLast-Modified: Thu, 08 Jan 2026 09:23:50 GMTStrict-Transport-Security: max-age2592000; includeSubDomains; preloadcf-cache-status: DYNAMICReport-To: {group:cf-nel,max_age:604800,endpoints:{url:https://a.nel.cloudflare.com/report/v4?s95x%2Bne0Pl%2B6klzM1QBJ583KtfS176bcSyR6ClsGB4nVwV2LPfVGImh50fWmsn2RfnPUO4JJutgR4q1M8bmC%2B7lBozuKv9Mo8GWHhTjU%3D}}Server: cloudflareCF-RAY: 9c765f46abb1147f-PDXalt-svc: h3:443; ma86400

View on OTX | View on ThreatMiner

Data with thanks to AlienVault OTX, VirusTotal, Malwr and others. [Sitemap]

Domain > pablitron.com

Is this malicious?

DNS Resolutions

Port 80

Port 443