A036635 Number of 5-ary rooted trees with n nodes and height exactly 4.

0, 0, 0, 0, 1, 3, 8, 18, 38, 73, 136, 244, 426, 728, 1221, 2016, 3284, 5283, 8403, 13227, 20616, 31824, 48685, 73801, 110920, 165256, 244168, 357694, 519757, 748971, 1070636, 1517977, 2135238, 2979427, 4124960, 5665880, 7722472

Offset

0,6

Links

Sean A. Irvine, Table of n, a(n) for n = 0..156

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: A136376 A099845 A396232 * A000713 A261325 A261446

Adjacent sequences: A036632 A036633 A036634 * A036636 A036637 A036638

Keyword

nonn,fini,full

Author

N. J. A. Sloane

Status

approved