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 A075379 #2 Feb 20 2005 03:00:00 %S A075379 2,1,3,4,5,8,6,9,7,12,10,16,11,18,13,20,14,24,15,25,17,27,19,28,21,32, %T A075379 22,36,23,40 %N A075379 Erroneous version of A088610. %K A075379 dead %O A075379 1,1