A089426 Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A082355/A082356.

1, 1, 2, 3, 6, 8, 14, 19, 24, 30, 40, 46, 58, 78, 84, 97, 116, 144, 170, 194, 224

Offset

0,3

Comments

The number of orbits to which the corresponding automorphism(s) partitions the set of A000108(n) binary trees with n internal nodes.

Links

Table of n, a(n) for n=0..20.

A. Karttunen, C-program for computing the initial terms of this sequence

Crossrefs

Sequence in context: A326530 A326635 A212214 * A167934 A327690 A182269

Adjacent sequences: A089423 A089424 A089425 * A089427 A089428 A089429

Keyword

nonn

Author

Antti Karttunen, Nov 29 2003

Status

approved