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%I #5 Jul 31 2013 17:11:26
%S 2,4,13,34,91,225,571,1403,3466,8468,20703,50389,122673,298090,724433,
%T 1759595,4274819,10385533,25240007,61358410,149226407,363077813,
%U 883818374,2152462147,5244790003,12786162151,31187100089,76108058977,185825963102,453940832229
%N Number of rooted identity trees with n nodes and exactly 4 subtrees from the root.
%H Alois P. Heinz, <a href="/A227808/b227808.txt">Table of n, a(n) for n = 11..800</a>
%e : o o :
%e : /( )\ /( )\ :
%e : / | | \ / | | \ :
%e : o o o o o o o o :
%e : /| | | | | | :
%e : o o o o o o o :
%e : | | | | :
%e : o o o o :
%e : | :
%e : n=11 o :
%Y Column k=4 of A227774.
%K nonn
%O 11,1
%A _Alois P. Heinz_, Jul 31 2013