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 A060406 #3 May 11 2007 03:00:00 %S A060406 0,0,1,1,2,4,7,8,12,13,17,20,26,28,35,37,44,48,57,60,70,73,83,88,100, %T A060406 104 %N A060406 Duplicate of A001839. %K A060406 dead %O A060406 1,5