A036619 Number of 5-ary rooted trees with n nodes and height at most 8.

1, 1, 1, 2, 4, 9, 20, 47, 112, 276, 684, 1713, 4295, 10797, 27103, 67985, 170202, 425420, 1061324, 2643451, 6573241, 16321357, 40469502, 100219208, 247888403, 612467226, 1511670488, 3727408256, 9182341969, 22600453960, 55579530018

Offset

0,4

Links

Table of n, a(n) for n=0..30.

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: A058385 A058386 A095980 * A036620 A036721 A014267

Adjacent sequences: A036616 A036617 A036618 * A036620 A036621 A036622

Keyword

nonn,fini

Author

N. J. A. Sloane.

Status

approved