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 A099707 #9 Jun 25 2017 15:18:03 %S A099707 1,2,40,1632,140128,42396096,71916221184,569069398642688, %T A099707 18501543711357418496,2419851465592233142433792 %N A099707 Consider the family of multigraphs enriched by the species of directed graphs. Sequence gives number of those multigraphs with n arcs. %D A099707 G. Paquin, Dénombrement de multigraphes enrichis, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004. %H A099707 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 A099707 nonn %O A099707 0,2 %A A099707 _N. J. A. Sloane_, Oct 26 2004