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 A070241 #9 Jul 19 2017 20:07:12 %S A070241 2,2,3,3,4,3,4,4,4,4,2,4,5,4,5,5,5,4,4,5,6,2,2,5,5,6,4,6,2,5,2,6,5,6, %T A070241 10,6,6,4,10,6,7,6,4,5,10,2,2,6,4,5,7,10,2,4,9,10,8,2,2,6,7,2,8,7,10, %U A070241 5,2,7,3,10,2,10,12,8,9,8,9,10,2,7,2,9,2,10,8,4,3,9,5,10,17,3,9,2,17,7 %N A070241 Erroneous version of A066412. %K A070241 dead %O A070241 1,1 %A A070241 _Benoit Cloitre_, May 09 2002