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 A226685 #4 Jun 16 2013 01:13:51 %S A226685 17,65,115,2963,1085,7471,21239,6329,436099,4476457,1104989,21111517, %T A226685 64112905 %N A226685 Minimal element in the primitive 3x-k cycle with the conjectured record-breaking maximal element A226683(n). %Y A226685 k = A226684(n). %Y A226685 Cf. A226669. %K A226685 nonn %O A226685 1,1 %A A226685 _Geoffrey H. Morley_, Jun 15 2013