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 A247116 #8 Nov 22 2014 13:47:37 %S A247116 1,1,2,3,5,8,12,17,9,16,14,20,20,18 %N A247116 Corresponding values of np for A246791. %C A247116 See A246791 for more details. %Y A247116 Cf. A246791. %K A247116 nonn,more,hard %O A247116 1,3 %A A247116 _Robert Price_, Nov 19 2014