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 A085130 #3 May 11 2007 03:00:00 %S A085130 7,14,21,28,35,42,49,56,63,70,84,98,105,112,126,140,147,168,175,189, %T A085130 196 %N A085130 Duplicate of A080194. %K A085130 dead %O A085130 1,1