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 A118172 #10 Sep 02 2013 11:12:04 %S A118172 1,1,1,1,1,1,1,0,1,1,1,1,0,0,1,1,1,1,1,0,1,1,1,0,1,1,1,1,0,0,1,1,0,0, %T A118172 1,1,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,0,0,1,1,0,0,1,1,0,0,1,1,1,1,1,0, %U A118172 1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,1,1,1,0,1 %N A118172 Duplicate of A071037. %K A118172 dead %O A118172 0,1 %A A118172 _Eric W. Weisstein_, Apr 13 2006