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A032276
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Number of bracelets (turn over necklaces) with n beads of 5 colors.
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4
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5, 15, 35, 120, 377, 1505, 5895, 25395, 110085, 493131, 2227275, 10196680, 46989185, 218102685, 1017448143, 4768969770, 22440372245, 105966797755, 501938733555, 2384200683816, 11353290089305
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OFFSET
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1,1
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LINKS
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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
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FORMULA
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"DIK" (bracelet, indistinct, unlabeled) transform of 5, 0, 0, 0...
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CROSSREFS
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Cf. a(n) = A081720(n,5), n>=1. [from Wolfdieter Lang, Jun 03 2012]
Sequence in context: A145454 A091875 A056413 * A065780 A105720 A174655
Adjacent sequences: A032273 A032274 A032275 * A032277 A032278 A032279
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KEYWORD
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nonn
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AUTHOR
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Christian G. Bower
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STATUS
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approved
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