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A032166
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Number of aperiodic necklaces of n beads of 11 colors.
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1
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11, 55, 440, 3630, 32208, 295020, 2783880, 26793030, 261994040, 2593726344, 25937424600, 261535549220, 2655593241840, 27124986721140, 278483211283552, 2871858103075830, 29732178147017280
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| C. G. Bower, Transforms (2)
Y. Puri and T. Ward, Arithmetic and growth of periodic orbits, J. Integer Seqs., Vol. 4 (2001), #01.2.1.
F. Ruskey, Necklaces, Lyndon words, De Bruijn sequences, etc.
Index entries for sequences related to Lyndon words
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FORMULA
| "CHK" (necklace, identity, unlabeled) transform of 11, 0, 0, 0...
Sum mu(d)*11^(n/d)/n; d|n.
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CROSSREFS
| Sequence in context: A098992 A156589 A165791 * A099532 A041226 A042503
Adjacent sequences: A032163 A032164 A032165 * A032167 A032168 A032169
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KEYWORD
| nonn
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AUTHOR
| Christian G. Bower (bowerc(AT)usa.net)
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