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 A185234 #12 May 01 2014 02:37:02 %S A185234 0,0,0,0,0,0,1,2,9,35,177,1153,10341,120523,1702432,27507351, %T A185234 492377298,9600913017,201990426697,4555849947783 %N A185234 Number of disconnected 3-regular simple graphs on 2n vertices with girth at least 4. %H A185234 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 A185234 Disconnected k-regular simple graphs with girth at least 4: A185214 (any k), A185204 (triangle); specified degree k: A185224 (k=2), this sequence (k=3), A185244 (k=4), A185254 (k=5), A185264 (k=6), A185274 (k=7), A185284 (k=8), A185294 (k=9). %K A185234 nonn,hard,more %O A185234 0,8 %A A185234 _Jason Kimberley_, Feb 22 2011