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 A184946 #12 May 01 2014 02:37:01 %S A184946 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,4,0,19,0, %T A184946 1272,25,494031,13504 %N A184946 Number of connected 4-regular simple graphs on n vertices with girth exactly 6. %C A184946 First differs from A058348 at n = A054760(4,7) = 67. %Y A184946 Connected 4-regular simple graphs with girth at least g: A006820 (g=3), A033886 (g=4), A058343 (g=5), A058348 (g=6). %Y A184946 Connected 4-regular simple graphs with girth exactly g: A184943 (g=3), A184944 (g=4), A184945 (g=5), this sequence (g=6). %K A184946 nonn,more,hard %O A184946 0,31 %A A184946 _Jason Kimberley_, Feb 27 2011