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 A204992 #5 Mar 30 2012 18:58:09 %S A204992 2,1,2,1,6,1,2,1,14,3,186,1,630,1,2,1,30,7,27594,3,6,93,178,1,83886, %T A204992 315,19418,1,18512790,1,2,1,62,15,234,7,3714566310,13797,210,3,51150, %U A204992 3,762,93,182,89,356962,1,85598,41943 %N A204992 (1/n)*A204991(n). %C A204992 For a guide to related sequences, see A204892. %t A204992 (See the program at A204987.) %Y A204992 Cf. A204987, A204991. %K A204992 nonn %O A204992 1,1 %A A204992 _Clark Kimberling_, Jan 21 2012