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 A099705 #9 Jun 25 2017 15:17:14 %S A099705 1,4,60,2040,188080,74164384,140677401088,1132868741554944, %T A099705 36957109369822385664,4838033391155896811513344 %N A099705 Consider the family of multigraphs enriched by the species of directed graphs. Sequence gives number of those multigraphs with n loops and edges. %D A099705 G. Paquin, Dénombrement de multigraphes enrichis, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004. %H A099705 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 A099705 nonn %O A099705 0,2 %A A099705 _N. J. A. Sloane_, Oct 26 2004