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 A094653 #6 Feb 02 2021 19:47:37 %S A094653 1,1,1,5,32,343,4505,66603,1045335,17115162,289107854,5007144433, %T A094653 88516438360,1591949961503,29053438148676,536972307386326, %U A094653 10034276171127780,189331187319203010,3603141751525175854,69097496637591215442,1334213677527481808220,25922717218623692348237 %N A094653 Number of unlabeled 9-gonal 2-trees with n 9-gons. %H A094653 Andrew Howroyd, <a href="/A094653/b094653.txt">Table of n, a(n) for n = 0..200</a> %H A094653 G. Labelle, C. Lamathe and P. Leroux, <a href="http://arXiv.org/abs/math.CO/0312424">Labeled and unlabeled enumeration of k-gonal 2-trees</a>, arXiv:math/0312424 [math.CO], Dec 23 2003. %Y A094653 Column k=9 of A340811. %Y A094653 Cf. A054581. %K A094653 nonn %O A094653 0,4 %A A094653 _Vladeta Jovovic_, Jun 06 2004 %E A094653 Terms a(19) and beyond from _Andrew Howroyd_, Feb 02 2021