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Search: id:A032165
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| A032165 |
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Number of aperiodic necklaces of n beads of 10 colors. |
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+0
2
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| 10, 45, 330, 2475, 19998, 166485, 1428570, 12498750, 111111000, 999989991, 9090909090, 83333249175, 769230769230, 7142856428565, 66666666659934, 624999993750000, 5882352941176470, 55555555499944500
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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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
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"CHK" (necklace, identity, unlabeled) transform of 10, 0, 0, 0...
Sum mu(d)*10^(n/d)/n; d|n.
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CROSSREFS
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Adjacent sequences: A032162 A032163 A032164 this_sequence A032166 A032167 A032168
Sequence in context: A005714 A141499 A061772 this_sequence A124174 A044112 A073248
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KEYWORD
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nonn
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AUTHOR
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Christian G. Bower (bowerc(AT)usa.net)
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