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 A091479 #10 Feb 13 2020 02:54:29
%S A091479 1,1,2,16,1957,9864101,3554627472076,138879579704209680022,
%T A091479 828772446866981044847857913441,
%U A091479 1011182700521015817607065606491025592595137,325166909258549255903203528672831330994640286650913570126
%N A091479 Number of graphs with n nodes. Nodes and edges labeled each from their own label set.
%H A091479 Andrew Howroyd, <a href="/A091479/b091479.txt">Table of n, a(n) for n = 0..30</a>
%F A091479 a(n) = A000522(A000217(n-1)). - _Gerald McGarvey_, Nov 17 2007
%o A091479 (PARI) a(n)={binomial(n,2)!*sum(k=0, binomial(n,2), 1/k!)} \\ _Andrew Howroyd_, Feb 12 2020
%Y A091479 Row sums of A091478.
%Y A091479 Cf. A006125.
%Y A091479 Cf. A000217, A000522.
%K A091479 nonn
%O A091479 0,3
%A A091479 _Christian G. Bower_, Jan 13 2004
%E A091479 a(0)=1 prepended and terms a(10) and beyond from _Andrew Howroyd_, Feb 12 2020