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 A099713 #9 Jun 25 2017 15:19:40 %S A099713 1,2,11,103,1383,24505,545354,14751666,473719878,17740486031, %T A099713 763890459761,37384489903461 %N A099713 Consider the family of multigraphs enriched by the species of arborescences. Sequence gives number of those multigraphs with n loops and edges. %D A099713 G. Paquin, Dénombrement de multigraphes enrichis, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004. %H A099713 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 A099713 nonn %O A099713 0,2 %A A099713 _N. J. A. Sloane_, Oct 26 2004