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 A111410 #5 Feb 14 2018 21:10:10 %S A111410 2,6,6,18,6,18,10,18,24,18,32,18,12,30,28,30,12 %N A111410 Erroneous version of A073131. %K A111410 dead %O A111410 1,1