id:A032261 - OEIS Search Results

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Number of bracelets with n labeled beads of 3 colors.

+0
1

3, 9, 27, 243, 2916, 43740, 787320, 16533720, 396809280, 10713850560, 321415516800, 10606712054400, 381841633958400, 14891823724377600, 625456596423859200, 28145546839073664000, 1350986248275535872000 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`C. G. Bower, Transforms (2)`
	FORMULA	`"DIJ" (bracelet, indistinct, labeled) transform of 3, 0, 0, 0...` `3^n*(3n-3)!/2 (n >= 3).`
	CROSSREFS	`Sequence in context: A146151 A028855 A143014 this_sequence A018924 A061582 A102558` `Adjacent sequences: A032258 A032259 A032260 this_sequence A032262 A032263 A032264`
	KEYWORD	`nonn,easy`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net)`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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