A089876 - OEIS

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A089876

Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A071667/A071668.

1, 1, 1, 2, 3, 14, 22, 62, 127, 320, 756, 1888, 4440, 10996, 26784, 67004, 166449, 417848, 1041262, 2596506, 6427116 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,4`
	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: A024478 A025090 A024603 * A025092 A112636 A124663` `Adjacent sequences: A089873 A089874 A089875 * A089877 A089878 A089879`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen, Nov 29 2003`
	STATUS	`approved`

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Last modified May 25 21:25 EDT 2013. Contains 225649 sequences.