A036638 Number of 5-ary rooted trees with n nodes and height exactly 7.

0, 0, 0, 0, 0, 0, 0, 1, 6, 26, 94, 308, 935, 2703, 7524, 20375, 53969, 140527, 360733, 915299, 2299430, 5728098, 14164216, 34799522, 85007869, 206595478, 499774485, 1203951992, 2889243181, 6909371375, 16469937376, 39142669201, 92769809724

Offset

0,9

Links

Table of n, a(n) for n=0..32.

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: A011780 A036631 A224288 * A036645 A000393 A106392

Adjacent sequences: A036635 A036636 A036637 * A036639 A036640 A036641

Keyword

nonn,fini

Author

N. J. A. Sloane.

Status

approved