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A245146 Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 6. 2

%I #4 Jul 12 2014 17:53:25

%S 1,0,0,0,0,0,1,1,1,1,1,1,3,3,5,5,7,7,13,14,21,26,34,40,61,72,100,127,

%T 171,209,295,367,499,638,851,1083,1469,1879,2512,3257,4320,5576,7454,

%U 9662,12833,16752,22163,28874,38308,50056,66232,86865,114784,150429

%N Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 6.

%H Alois P. Heinz, <a href="/A245146/b245146.txt">Table of n, a(n) for n = 7..150</a>

%Y Column k=6 of A245151.

%K nonn

%O 7,13

%A _Alois P. Heinz_, Jul 12 2014

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Last modified April 25 06:49 EDT 2024. Contains 371964 sequences. (Running on oeis4.)