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A036639 Number of 5-ary rooted trees with n nodes and height exactly 8. +0
2
0, 0, 0, 0, 0, 0, 0, 0, 1, 7, 34, 136, 487, 1608, 5024, 15054, 43716, 123861, 344195, 941542, 2542583, 6792588, 17982215, 47235074, 123239673, 319643026, 824718481, 2117962664, 5416370537, 13799074169, 35034120821, 88666584633, 223752019933 (list; graph; listen)
OFFSET

0,10

LINKS

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: A120470 A036423 A036632 this_sequence A036646 A000418 A055852

Adjacent sequences: A036636 A036637 A036638 this_sequence A036640 A036641 A036642

KEYWORD

nonn,fini

AUTHOR

njas

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.


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