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 A071048 #7 Mar 30 2012 18:39:52 %S A071048 0,0,0,1,0,3,2,2,1,5,5,4,5,6,4,5,4,9,8,9,8,8,7,10,11,13,14,11,7,10,15, %T A071048 15,9,15,21,17,12,20,19,15,17,23,19,13,18,20,23,26,17,19,23,28,24,20, %U A071048 25,25,20,24,25,24,26,28,28,28,22,26,31,30,32,31,31,28,29,32 %N A071048 Number of 0's in n-th row of triangle in A070887. %D A071048 S. Wolfram, A New Kind of Science, Wolfram Media, 2002; Chapter 3. %H A071048 <a href="/index/Ce#cell">Index entries for sequences related to cellular automata</a> %K A071048 nonn %O A071048 0,6 %A A071048 _Hans Havermann_, May 26 2002