id:A108532 - OEIS Search Results

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

+0
3

1, 2, 4, 12, 38, 136, 490, 1852, 7108, 27880, 110892, 447060, 1821252, 7489732, 31045350, 129587996, 544228664, 2298008824, 9750218012, 41548438040, 177740526076, 763046178960, 3286318131646, 14195239150556, 61481540391722 (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 CHK transform.`
	CROSSREFS	`Cf. A032171, A108530, A108531.` `Adjacent sequences: A108529 A108530 A108531 this_sequence A108533 A108534 A108535` `Sequence in context: A149844 A149845 A149846 this_sequence A000940 A008404 A099214`
	KEYWORD	`nonn,eigen`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Jun 07 2005`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

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