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 A185237 #10 May 01 2014 02:37:02 %S A185237 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,3,27,609,32237, %T A185237 1885410,101214662,5025320937 %N A185237 Number of disconnected 3-regular simple graphs on 2n vertices with girth at least 7. %H A185237 Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/D_k-reg_girth_ge_g_index">Index of sequences counting disconnected k-regular simple graphs with girth at least g</a> %Y A185237 Disconnected k-regular simple graphs with girth at least 7: A185217 (all k), A185207 (triangle); A185227 (k=2), this sequence (k=3). %K A185237 nonn,hard,more %O A185237 0,26 %A A185237 _Jason Kimberley_, Feb 22 2011