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 A086422 #3 May 11 2007 03:00:00 %S A086422 1,0,0,0,0,1,1,1,2,5,7,9,24,19,35,46,86,134,187,259,450,616,823 %N A086422 Duplicate of A046880. %K A086422 dead %O A086422 30,9