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A362658 Number of bracelets consisting of four instances each of n swappable colors. 4
1, 1, 7, 297, 83488, 63698215, 93945180662, 235528677557853, 926363255677856473, 5389375509102629522572, 44328152493384890722579175, 497321572654372894502827791849, 7392063525541285464935001208117037, 142098205771751298697282911028204773107 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
REFERENCES
F. Harary and E. Palmer, Graphical Enumeration, Academic Press, 1973, page 143.
LINKS
H. Fripertinger, Enumeration in Musical Theory, Beiträge zur Elektronischen Musik, 1 (1992).
Marko Riedel, math.stackexchange.com, Necklaces and bracelets
CROSSREFS
Sequence in context: A220241 A041851 A082168 * A096348 A281435 A015005
KEYWORD
nonn
AUTHOR
Marko Riedel, Apr 28 2023
STATUS
approved

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Last modified February 22 20:12 EST 2024. Contains 370261 sequences. (Running on oeis4.)