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Search: id:A056351
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| A056351 |
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Number of primitive (period n) bracelets using exactly five different colored beads. |
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+0 1
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| 0, 0, 0, 0, 12, 150, 1200, 7905, 46400, 255624, 1346700, 6901575, 34663020, 171785250, 843130676, 4110950625, 19951305240, 96528446150, 466073976900, 2247626821095, 10832193570260, 52194107870250
(list; graph; listen)
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OFFSET
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1,5
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COMMENT
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Turning over will not create a new bracelet.
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REFERENCES
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M. R. Nester (1999). Mathematical investigations of some plant interaction designs. PhD Thesis. University of Queensland, Brisbane, Australia.
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FORMULA
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sum mu(d)*A056345(n/d) where d|n.
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CROSSREFS
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Cf. A056290.
Sequence in context: A057572 A114106 A015610 this_sequence A056345 A068768 A053507
Adjacent sequences: A056348 A056349 A056350 this_sequence A056352 A056353 A056354
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KEYWORD
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nonn
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AUTHOR
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Marks R. Nester (nesterm(AT)dpi.qld.gov.au)
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