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 A071050 #10 Jan 14 2016 22:41:53 %S A071050 0,0,1,0,5,3,5,0,13,11,13,7,17,11,13,0,29,27,29,23,33,27,29,15,41,35, %T A071050 37,23,41,27,29,0,61,59,61,55,65,59,61,47,73,67,69,55,73,59,61,31,89, %U A071050 83,85,71,89,75,77,47,97,83,85,55,89,59,61,0,125,123,125,119 %N A071050 Number of 0's in n-th row of triangle in A071035. %D A071050 S. Wolfram, A New Kind of Science, Wolfram Media, 2002; Chapter 3. %H A071050 Robert Price, <a href="/A071050/b071050.txt">Table of n, a(n) for n = 0..1000</a> %H A071050 <a href="/index/Ce#cell">Index entries for sequences related to cellular automata</a> %K A071050 nonn %O A071050 0,5 %A A071050 _Hans Havermann_, May 26 2002