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A032276 Number of bracelets (turn over necklaces) with n beads of 5 colors. 4
5, 15, 35, 120, 377, 1505, 5895, 25395, 110085, 493131, 2227275, 10196680, 46989185, 218102685, 1017448143, 4768969770, 22440372245, 105966797755, 501938733555, 2384200683816, 11353290089305 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..21.

C. G. Bower, Transforms (2)

F. Ruskey, Necklaces, Lyndon words, De Bruijn sequences, etc.

Index entries for sequences related to bracelets

FORMULA

"DIK" (bracelet, indistinct, unlabeled) transform of 5, 0, 0, 0...

CROSSREFS

Cf. a(n) = A081720(n,5), n>=1. [from Wolfdieter Lang, Jun 03 2012]

Sequence in context: A145454 A091875 A056413 * A065780 A220480 A105720

Adjacent sequences:  A032273 A032274 A032275 * A032277 A032278 A032279

KEYWORD

nonn

AUTHOR

Christian G. Bower

STATUS

approved

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Last modified April 24 10:55 EDT 2014. Contains 240983 sequences.