id:A106368 - OEIS Search Results

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Necklaces with n beads of 6 colors, no 2 adjacent beads the same color.

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6, 15, 40, 165, 624, 2635, 11160, 48915, 217040, 976887, 4438920, 20346485, 93900240, 435970995, 2034505656, 9536767665, 44878791360, 211927736135, 1003867701480, 4768372070757, 22706531350480, 108372083629275 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Index entries for sequences related to necklaces`
	FORMULA	`CycleBG transform of (6, 0, 0, 0, ...)` `CycleBG transform T(A) = invMOEBIUS(invEULER(Carlitz(A)) + A(x^2) - A) + A.` `Carlitz transform T(A(x)) has g.f. 1/(1-sum(k>0, (-1)^(k+1)*A(x^k))).`
	CROSSREFS	`Cf. A000031.` `Adjacent sequences: A106365 A106366 A106367 this_sequence A106369 A106370 A106371` `Sequence in context: A135854 A083011 A114696 this_sequence A100491 A117961 A095122`
	KEYWORD	`nonn`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Apr 29 2005`

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.

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