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 A071026 #12 Mar 30 2012 18:39:51 %S A071026 1,1,1,1,0,1,1,1,1,1,1,1,1,0,1,1,1,0,1,1,1,1,0,1,1,1,0,1,1,1,1,1,0,1, %T A071026 1,1,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1, %U A071026 1,1,0,1,1,1,0,1,1,1,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1 %N A071026 Triangle read by rows giving successive states of cellular automaton generated by "Rule 188". %C A071026 Row n has length n+1. %D A071026 S. Wolfram, A New Kind of Science, Wolfram Media, 2002; Chapter 3. %H A071026 <a href="/index/Ce#cell">Index entries for sequences related to cellular automata</a> %K A071026 nonn,tabl %O A071026 0,1 %A A071026 _Hans Havermann_, May 26 2002 %E A071026 Corrected by _Hans Havermann_, Jan 07 2012