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 A096756 #19 Jan 29 2020 01:40:46 %S A096756 6,135,1735,4902,65260,963024,82599811,175820910,1270311937, %T A096756 20717271655,225023890967,1479132847647,5547233660249 %N A096756 Index of first occurrence of exactly n consecutive twos in a row in the decimal expansion of Pi. %C A096756 Presently identical to A050281, but it can be expected that the two will eventually differ, namely, as soon as a(n) > a(n+1) and A050281(n) = A050281(n+1). %C A096756 a(10) > 2*10^9, according to the SubIdiom.com search engine. - _M. F. Hasler_, Apr 13 2019 %C A096756 a(11) > 99*10^9. - _Giovanni Resta_, Oct 02 2019 %C A096756 a(14) > 22*10^12. - _Dmitry Petukhov_, Jan 28 2020 %H A096756 David G. Andersen, <a href="http://www.angio.net/pi/piquery">The Pi-Search Page</a>. %H A096756 Peter Trüb, <a href="https://pi2e.ch/blog/2017/03/10/pi-digits-download/">22.4 trillion digits of pi</a> %e A096756 Pi = 3.1415926... has a "run" of exactly one '2' in the 6th place after the decimal point, therefore a(1) = 6. %Y A096756 Cf. A050281, A035117, A096757, A096758, A096759, A096760, A096761, A096762, A096763, A050279. %K A096756 nonn,base,more %O A096756 1,1 %A A096756 _Robert G. Wilson v_, Jul 07 2004 %E A096756 a(10) from _Giovanni Resta_, Oct 02 2019 %E A096756 a(11)-a(13) from _Dmitry Petukhov_, Jan 14 2020