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 A031135 #8 Jul 19 2005 03:00:00 %S A031135 1,2,1,0,2,3,0,6,8,4,63,1,316,42,16,2048,7652,13781,8,24000,11977, %T A031135 458561,152116956851941670912,1054535,53,26,27,59,4806078,3,35792568, %U A031135 3010349,2387010102192469724605148123694256128,2,0,53,43,0 %N A031135 Incorrect version of A091967. %C A031135 Probably because of changes in the offsets of certain sequences, this is now incorrect. See A051070, A091967, A107357, A102288 for better versions. %K A031135 dead %O A031135 1,2