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%I #7 Dec 25 2018 22:35:58
%S 0,2,3,9,30,110,423
%N Number of "funny trees" on n nodes.
%C For precise definition see Example 15.3.7 of Bona (2015).
%D Miklos Bona, editor, Handbook of Enumerative Combinatorics, CRC Press, 2015, page 1002.
%K nonn,more
%O 1,2
%A _N. J. A. Sloane_, Dec 25 2018
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