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 A079699 #4 May 11 2007 03:00:00 %S A079699 7,13,17,19,31,37,43,47,59,61,67,71,73,79,97,101,103,107,109,127,137 %N A079699 Duplicate of A053176. %K A079699 dead %O A079699 1,1