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 A094017 #2 Jan 09 2009 03:00:00 %S A094017 2,3,4,5,5,7,10,10,7,9,7,5,13,15,15,15,17,17,15,17,18,17,29,21,17,28, %T A094017 20 %N A094017 Duplicate of A092762. %K A094017 dead %O A094017 1,1