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%I #6 Feb 02 2021 19:48:01
%S 1,1,1,6,46,636,10527,194997,3823327,78118107,1646300388,35570427615,
%T 784467060622,17601062294302,400750115756742,9240636709048733,
%U 215435023547580882,5071520482516388865,120417032326341878672,2881134828445365441407,69410468220307148620226
%N Number of unlabeled 11-gonal 2-trees with n 11-gons.
%H Andrew Howroyd, <a href="/A094655/b094655.txt">Table of n, a(n) for n = 0..200</a>
%H 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 Column k=11 of A340811.
%Y Cf. A054581.
%K nonn
%O 0,4
%A _Vladeta Jovovic_, Jun 06 2004
%E Terms a(19) and beyond from _Andrew Howroyd_, Feb 02 2021