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 A129635 #7 Mar 30 2012 18:40:42 %S A129635 2,6,9,1,7,9,9,2,0,9,8,2,1,7,1,2,3,5,1,3,3,9,2,6,1,8,0,6,7,8,7,6,3,1, %T A129635 8,6,9,8,2,3,6,9,3,7,6,2,9,2,5,8,1,9,1,3,4,5,5,6,9 %N A129635 Decimal expansion of 1 + A117871. %e A129635 2.6917992098217123513392618067876318698236937629258191345569... %Y A129635 Cf. A092143. See A117871 for a better version. %K A129635 cons,easy,nonn %O A129635 1,1 %A A129635 _Jonathan Vos Post_, May 31 2007 %E A129635 More terms from _R. J. Mathar_, Sep 02 2007 %E A129635 Edited by _N. J. A. Sloane_, Sep 16 2007 and May 06 2008