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A036588
Number of binary rooted trees with n nodes and height at most 5.
1
1, 1, 1, 2, 3, 6, 10, 17, 25, 38, 52, 73, 93, 121, 143, 172, 187, 205, 202, 201, 177, 158, 123, 99, 66, 47, 26, 17, 7, 4, 1, 1
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OFFSET
0,4
LINKS
Table of n, a(n) for n=0..31.
E. M. Rains and N. J. A. Sloane,
On Cayley's Enumeration of Alkanes (or 4-Valent Trees)
, J. Integer Sequences, Vol. 2 (1999), Article 99.1.1.
Index entries for sequences related to rooted trees
CROSSREFS
Sequence in context:
A140669
A001636
A347786
*
A334893
A239872
A099517
Adjacent sequences:
A036585
A036586
A036587
*
A036589
A036590
A036591
KEYWORD
nonn
,
fini
,
full
AUTHOR
N. J. A. Sloane
.
STATUS
approved
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Last modified March 29 10:44 EDT 2024. Contains 371268 sequences. (Running on oeis4.)