A032322 - OEIS

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A032322

Number of aperiodic necklaces with n labeled beads of 3 colors.

0

3, 6, 48, 432, 5760, 83520, 1572480, 32659200, 792529920, 21337344000, 642820147200, 21181450752000, 763681830912000, 29769991592140800, 1250889916243968000, 56282514026618880000, 2701972433782702080000

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

C. G. Bower, Transforms (2)

Index entries for sequences related to Lyndon words

FORMULA

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

CROSSREFS

Sequence in context: A261841 A197884 A279706 * A203765 A111752 A102931

Adjacent sequences: A032319 A032320 A032321 * A032323 A032324 A032325

KEYWORD

nonn

AUTHOR

Christian G. Bower

STATUS

approved