A036598 - OEIS

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A036598

Number of binary rooted trees with n nodes and height exactly 9.

1

0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 8, 35, 117, 338, 891, 2208, 5240, 12051, 27060, 59630, 129389, 277146, 586953, 1230801, 2557766, 5272384, 10786683, 21916364, 44242295, 88774290, 177117257, 351481202, 693942477, 1363437316, 2666412440

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OFFSET

0,11

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..511

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: A266762 A220889 A285240 * A229403 A059824 A248882

Adjacent sequences: A036595 A036596 A036597 * A036599 A036600 A036601

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane.

STATUS

approved