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 A118085 #5 Aug 08 2015 23:57:35 %S A118085 1,1,2,6,27,185,2135,55129 %N A118085 Alternative version of A114572 with a(0) = 1 instead of 2. %C A118085 A114572 is the main entry for this sequence. %K A118085 nonn %O A118085 0,3 %A A118085 _Don Knuth_, Aug 17 2008, Oct 14 2008