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 A065021 #2 May 19 2006 03:00:00 %S A065021 3,2,6,4,1,2,1,9,2,1,2,3,2,3,5,1,2,1,1,6,1,2,5,79,6,4,5,1,1,1,1,12,1,1 %N A065021 Duplicate of A048652. %K A065021 dead %O A065021 0,1