A080273 - OEIS

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A080273

Orbit size of each tree A080263(n) under Meeussen's bf<->df map on binary trees.

1, 3, 16, 1441, 41888, 3376173 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`This is the size of the cycle containing A080265(n) in the permutations A057117/A057118.`
	FORMULA	`a(n) = A080311(A080265(n))`
	CROSSREFS	`Cf. A080274, A080297.` `Sequence in context: A081780 A002794 A132559 * A096404 A111824 A140519` `Adjacent sequences: A080270 A080271 A080272 * A080274 A080275 A080276`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (my_firstname.my_surname(AT)iki.fi) Mar 02 2003`

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Last modified February 14 04:48 EST 2012. Contains 205570 sequences.