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 A098637 #9 Jun 25 2017 15:06:49 %S A098637 1,2,7,45,431,5677,97304,2086120,54337094,1681862711,60786960947, %T A098637 2529205845825 %N A098637 Consider the family of multigraphs enriched by the species of odd sets. Sequence gives number of those multigraphs with n loops and edges. %D A098637 G. Paquin, Dénombrement de multigraphes enrichis, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004. %H A098637 G. Paquin, <a href="/A038205/a038205.pdf">Dénombrement de multigraphes enrichis</a>, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004. [Cached copy, with permission] %K A098637 nonn %O A098637 0,2 %A A098637 _N. J. A. Sloane_, Oct 26 2004