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A036637 Number of 5-ary rooted trees with n nodes and height exactly 6. +0
1
0, 0, 0, 0, 0, 0, 1, 5, 19, 61, 180, 493, 1294, 3281, 8113, 19657, 46866, 110239, 256380, 590489, 1348509, 3056837, 6883634, 15409942, 34313694, 76039214, 167760748, 368626865, 806979483, 1760508143, 3828401370, 8300300528 (list; graph; listen)
OFFSET

0,8

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: A128638 A036630 A102841 this_sequence A036644 A000342 A072111

Adjacent sequences: A036634 A036635 A036636 this_sequence A036638 A036639 A036640

KEYWORD

nonn,fini

AUTHOR

njas

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Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.


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