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 A077308 #3 May 11 2007 03:00:00 %S A077308 1,1,1,3,1,1,3,5,1,1,9,1,4,7,1,5,23,1,14,1,9,9,13,5,1,21,1,13,12,1,36 %N A077308 Duplicate of A075001. %K A077308 dead %O A077308 1,4