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A056351 Number of primitive (period n) bracelets using exactly five different colored beads. 0
0, 0, 0, 0, 12, 150, 1200, 7905, 46400, 255624, 1346700, 6901575, 34663020, 171785250, 843130676, 4110950625, 19951305240, 96528446150, 466073976900, 2247626821095, 10832193570260, 52194107870250 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,5
COMMENTS
Turning over will not create a new bracelet.
REFERENCES
M. R. Nester (1999). Mathematical investigations of some plant interaction designs. PhD Thesis. University of Queensland, Brisbane, Australia. [See A056391 for pdf file of Chap. 2]
LINKS
FORMULA
sum mu(d)*A056345(n/d) where d|n.
CROSSREFS
Cf. A056290.
Sequence in context: A141326 A154733 A305544 * A056345 A264233 A068768
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified July 25 04:49 EDT 2024. Contains 374586 sequences. (Running on oeis4.)