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A089411 Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A074683/A074684. +0
4
1, 1, 1, 1, 3, 4, 4, 11, 9, 6, 8, 14, 14, 12, 14, 19, 17, 16, 24, 26, 30 (list; graph; listen)
OFFSET

0,5

COMMENT

The number of orbits to which the corresponding automorphism(s) partitions the set of A000108(n) binary trees with n internal nodes. Does the non-monotone behavior continue indefinitely?

LINKS

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

CROSSREFS

Cf. A089413, A089417.

Sequence in context: A086180 A016608 A087328 this_sequence A025508 A023189 A067137

Adjacent sequences: A089408 A089409 A089410 this_sequence A089412 A089413 A089414

KEYWORD

nonn

AUTHOR

Antti Karttunen (His_Firstname.His_Surname(AT)iki.fi), Nov 29 2003

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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