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 A096758 #15 Jan 26 2020 17:21:09 %S A096758 2,59,2707,54525,808650,828499,17893953,22931745,1346808619, %T A096758 115763387962,66757797341,1379889220413,15170474235886 %N A096758 Index of first occurrence of exactly n consecutive fours in a row in the decimal expansion of Pi. %C A096758 First differs from A050283 at n = 10. In particular, a(10) > a(11) while A050283(10) = A050283(11) = a(11). - _Dmitry Petukhov_, Jan 25 2020 %C A096758 a(14) > 22*10^12. - _Dmitry Petukhov_, Jan 25 2020 %H A096758 David G. Andersen, <a href="http://www.angio.net/pi/piquery">The Pi-Search Page</a>. %H A096758 Peter Trüb, <a href="https://pi2e.ch/blog/2017/03/10/pi-digits-download/">22.4 trillion digits of pi</a> %Y A096758 Cf. A050279, A035117, A096756, A096757, A050283, A096759, A096760, A096761, A096762, A096763 (similar for digits 0 through 9). %K A096758 base,nonn %O A096758 1,1 %A A096758 _Robert G. Wilson v_, Jul 07 2004 %E A096758 a(10)-a(13) from _Dmitry Petukhov_, Jan 25 2020