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 A184954 #19 May 01 2014 02:37:01 %S A184954 0,0,0,0,0,1,1,7,388,406824,1125022325,3813549359274 %N A184954 Number of connected 5-regular simple graphs on 2n vertices with girth exactly 4. %H A184954 Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/C_k-reg_girth_eq_g_index">Index of sequences counting connected k-regular simple graphs with girth exactly g</a> %Y A184954 Connected k-regular simple graphs with girth exactly 4: A006924 (k=3), A184944 (k=4), this sequence (k=5), A184964 (k=6), A184974 (k=7). %Y A184954 Connected 5-regular simple graphs with girth at least g: A006821 (g=3), A058275 (g=4). %Y A184954 Connected 5-regular simple graphs with girth exactly g: A184953 (g=3), this sequence (g=4), A184955 (g=5). %K A184954 nonn,more,hard %O A184954 0,8 %A A184954 _Jason Kimberley_, Feb 27 2011