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 A083624 #17 Feb 16 2025 08:32:49 %S A083624 3517236,9325203,10519242,28653199,65607194,122342168,128313922, %T A083624 135018842,147317225,162390401,168743355,168743356,175406803, %U A083624 184641261,197720922,204132734,221104964,225060984,228577795,268767309,270266106,286343387,289646537,301829686,302554121 %N A083624 Starting positions of strings of seven 5's in the decimal expansion of Pi. %H A083624 Dave Andersen, <a href="http://www.angio.net/pi/piquery">Pi-Search Page</a> %H A083624 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PiDigits.html">Pi Digits.</a> %H A083624 <a href="/index/Ph#Pi314">Index entries for sequences related to the number Pi</a> %Y A083624 Cf. A083623 (six 5's). %K A083624 nonn,base %O A083624 1,1 %A A083624 _Rick L. Shepherd_, May 02 2003 %E A083624 More terms from _Rick L. Shepherd_, Aug 06 2006 %E A083624 More terms from _Jinyuan Wang_, Feb 29 2020