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 A030328 #4 Mar 30 2012 18:56:18 %S A030328 1,1,3,1,1,1,3,1,1,1,2,2,4,1,2,1,2,2,3,1,1,1,3,1,1,4,3,5,1,1,1,1,2,1, %T A030328 1,1,1,1,4,1,3,1,2,1,1,3,1,1,1,2,5,2,2,1,3,3,1,1,3,3,1,1,4,1,2,1,2,1, %U A030328 2,1,3,1,1,1,2,1,2,3,1,3,1,2,3,1,1,1,1,4,2,1 %N A030328 Length of n-th run of 0's in A030324. %K A030328 nonn %O A030328 1,3 %A A030328 _Clark Kimberling_