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 A094300 #2 Jan 12 2007 03:00:00 %S A094300 1,2,6,3,15,5,35,35,35,7,77,77,1001,143,143,143,2431,2431,46189,46189 %N A094300 Duplicate of A055773. %K A094300 dead %O A094300 1,2