This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A083638 #14 Feb 16 2025 08:32:49 %S A083638 4751,30796,59550,60822,62383,65576,70082,76137,76776,84865,108052, %T A083638 114995,115117,129780,132676,138681,179065,179167,183226,195130, %U A083638 213245,213246,216140,222299,222300,222301,235635,264148,280212,281452,284420 %N A083638 Starting positions of strings of four 8's in the decimal expansion of Pi. %H A083638 <a href="/index/Ph#Pi314">Index entries for sequences related to the number Pi</a> %H A083638 Dave Andersen, <a href="http://www.angio.net/pi/piquery">Pi-Search Page</a> %H A083638 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PiDigits.html">Pi Digits.</a> %t A083638 Transpose[StringPosition[StringDrop[ToString[N[Pi,9! ]],2],"8888"]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Jun 19 2009 *) %Y A083638 Cf. A083637 (three 8's), A083639 (five 8's). %K A083638 base,nonn %O A083638 1,1 %A A083638 _Rick L. Shepherd_, May 05 2003