id:A052315 - OEIS Search Results

Search: id:A052315

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M-type rooted trees on n nodes.

+0
2

1, 4, 17, 83, 432, 2416, 14093, 85188, 528234, 3343420, 21508182, 140225532, 924444270, 6152191399, 41275242100, 278865583963, 1895686831203, 12956648332412, 88984197144487, 613773294727307, 4250024962493357 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`F. Bergeron, G. Labelle and P. Leroux, Combinatorial Species and Tree-Like Structures, Cambridge, 1998, p. 210 (3.2.68)`
	LINKS	`Index entries for sequences related to rooted trees` `N. J. A. Sloane, Transforms`
	FORMULA	`Satisfies 2*a(n)=PSum(SHIFT_RIGHT(a)+EULER(a))-c0. c0(0)=1. c0(k)=0 if k != 0.`
	CROSSREFS	`Cf. A006959.` `Adjacent sequences: A052312 A052313 A052314 this_sequence A052316 A052317 A052318` `Sequence in context: A078845 A110771 A082028 this_sequence A093904 A093344 A087316`
	KEYWORD	`nonn,eigen`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Dec 15 1999.`

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

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