A089406 - OEIS

This site is supported by donations to The OEIS Foundation.

A089406

Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A082345/A082346.

1, 1, 1, 3, 6, 16, 37, 95, 238, 624, 1650, 4478, 12356, 34756, 99313, 288145, 847366, 2523092, 7597834, 23117382, 71007196 (list; graph; refs; listen; history; 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	`A. Karttunen, C-program for computing the initial terms of this sequence`
	CROSSREFS	`Sequence in context: A068590 A130095 A072824 * A027852 A203068 A114410` `Adjacent sequences: A089403 A089404 A089405 * A089407 A089408 A089409`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (His_Firstname.His_Surname(AT)iki.fi), Nov 29 2003`

Content is available under The OEIS End-User License Agreement .

Last modified February 16 23:45 EST 2012. Contains 205978 sequences.