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 A080388 #13 Jul 29 2017 21:33:28 %S A080388 1,1,1,1,2,1,1,1,2,1,6,1,2,3,1,1,2,1,2,1,2,1,2,1,2,1,4,1,30,1,1,3,2,5, %T A080388 6,1,2,3,10,1,6,1,4,15,2,1,6,1,2,3,4,1,2,1,28,1,2,1,4,1,2,7,1,1,6,1,2, %U A080388 3,14,1,2,1,2,1,4,7,2,1,10,1,2,1,84,5,2,3,4,1,90,7,4,3,2,5,6,1,2,9,4,1,6 %N A080388 Erroneous version of A057977. %K A080388 dead %O A080388 1,5