A362658 Number of bracelets consisting of four instances each of n swappable colors.

1, 1, 7, 297, 83488, 63698215, 93945180662, 235528677557853, 926363255677856473, 5389375509102629522572, 44328152493384890722579175, 497321572654372894502827791849, 7392063525541285464935001208117037, 142098205771751298697282911028204773107

Offset

0,3

References

F. Harary and E. Palmer, Graphical Enumeration, Academic Press, 1973, page 143.

Links

Marko Riedel, Table of n, a(n) for n = 0..45

H. Fripertinger, Enumeration in Musical Theory, Beiträge zur Elektronischen Musik, 1 (1992).

Marko Riedel, math.stackexchange.com, Necklaces and bracelets

Crossrefs

Cf. A054499, A362657, A362659.

Sequence in context: A220241 A041851 A082168 * A096348 A281435 A015005

Adjacent sequences: A362655 A362656 A362657 * A362659 A362660 A362661

Keyword

nonn

Author

Marko Riedel, Apr 28 2023

Status

approved