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 A099704 #12 Jan 12 2021 20:47:49
%S A099704 1,2,24,776,79840,35397440,69619053504,564929183555840,
%T A099704 18464894708236907776,2418517115222622481308160,
%U A099704 1267747370909677813160722947072,2658511777246500251150215101758228480,22300872810108738542496498718468714032205824
%N A099704 Consider the family of multigraphs enriched by the species of directed graphs. Sequence gives number of those multigraphs with n labeled edges.
%D A099704 G. Paquin, Dénombrement de multigraphes enrichis, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004.
%H A099704 Andrew Howroyd, <a href="/A099704/b099704.txt">Table of n, a(n) for n = 0..50</a>
%H A099704 G. Paquin, <a href="/A038205/a038205.pdf">Dénombrement de multigraphes enrichis</a>, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004. [Cached copy, with permission]
%F A099704 E.g.f.: B(R(x)) where B(x) is the e.g.f. of A014500 and 1 + R(x) is the e.g.f. of A002416. - _Andrew Howroyd_, Jan 12 2021
%o A099704 (PARI) \\ R(n) is A002416 as e.g.f.; EnrichedGnSeq defined in A098620.
%o A099704 R(n)={sum(k=0, n, 2^(k^2)*x^k/k!) + O(x*x^n)}
%o A099704 EnrichedGnSeq(R(15)) \\ _Andrew Howroyd_, Jan 12 2021
%Y A099704 Cf. A002416, A014500, A098620, A099705, A099706, A099707.
%K A099704 nonn
%O A099704 0,2
%A A099704 _N. J. A. Sloane_, Oct 26 2004
%E A099704 Terms a(10) and beyond from _Andrew Howroyd_, Jan 12 2021