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 A047816 #3 Apr 09 2005 03:00:00 %S A047816 1,2,10,5,230,46,35 %N A047816 Erroneous version of A095845. %K A047816 dead %O A047816 0,2