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 A071338 #2 Jan 09 2009 03:00:00 %S A071338 0,1,1,1,2,2,2,1,1,2,4,2,4,3,2,1,2,1,3,2,2,4,6,2,2,4,5,3,6,3,3,1,1,2,3 %N A071338 Duplicate of A078826. %K A071338 dead %O A071338 1,5