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 A077934 #2 Nov 10 2007 03:00:00 %S A077934 1,1,1,1,3,5,3,3,13,19,13,13,51,77,51,51,205,307,205,205,819,1229,819, %T A077934 819 %N A077934 Duplicate of A077973. %K A077934 dead %O A077934 0,5