id:A108531 - OEIS Search Results

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Number of mobiles (cycle rooted trees) with n nodes and 2-colored internal (non-leaf) nodes.

+0
4

1, 2, 6, 18, 60, 206, 770, 2950, 11748, 47746, 197808, 830878, 3532790, 15168294, 65683552, 286504378, 1257693038, 5551978426, 24630911086, 109759215338, 491060888588, 2204938828766, 9933016712348, 44881199711338 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Index entries for sequences related to mobiles` `C. G. Bower, Transforms (2)`
	FORMULA	`Shifts left and halves under CIK transform.`
	CROSSREFS	`Cf. A032200, A108530, A108532.` `Sequence in context: A048118 A004113 A150044 this_sequence A150045 A150046 A009458` `Adjacent sequences: A108528 A108529 A108530 this_sequence A108532 A108533 A108534`
	KEYWORD	`nonn,eigen`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Jun 07 2005`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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