%I #14 Feb 02 2021 17:04:50
%S 0,0,0,1,6,35,260,2934,53768,1707627,96648020,9886429142,
%T 1842161884708,629505254017556,397043155634566696,
%U 464930596621838689900,1016021072554513545893264,4162479064042009639168386134,32096876145378032622994745784856
%N Number of simple graphs on n unlabeled nodes with exactly 1 endpoint (node of degree 1).
%H Andrew Howroyd, <a href="/A325115/b325115.txt">Table of n, a(n) for n = 1..50</a>
%Y Column k=1 of A327371.
%Y Cf. A277072 (labeled case), A325125.
%K nonn
%O 1,5
%A _Andrew Howroyd_, Sep 04 2019
%E Terms a(11) and beyond from _Andrew Howroyd_, Feb 02 2021
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