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A032322 Number of aperiodic necklaces with n labeled beads of 3 colors. +0
1
3, 6, 48, 432, 5760, 83520, 1572480, 32659200, 792529920, 21337344000, 642820147200, 21181450752000, 763681830912000, 29769991592140800, 1250889916243968000, 56282514026618880000, 2701972433782702080000 (list; graph; listen)
OFFSET

1,1

LINKS

C. G. Bower, Transforms (2)

Index entries for sequences related to Lyndon words

FORMULA

"CHJ" (necklace, identity, labeled) transform of 3, 0, 0, 0...

n! * A027376.

CROSSREFS

Sequence in context: A076170 A137775 A038050 this_sequence A111752 A102931 A056447

Adjacent sequences: A032319 A032320 A032321 this_sequence A032323 A032324 A032325

KEYWORD

nonn

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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