A032339 Number of identity bracelets with n labeled beads of 4 colors.

4, 12, 24, 360, 8640, 191520, 5261760, 152409600, 5100641280, 185547801600, 7528468147200, 332352865152000, 16021626356736000, 833951543820595200, 46760641270447104000, 2806459172660183040000

Offset

1,1

Links

Table of n, a(n) for n=1..16.

C. G. Bower, Transforms (2)

Formula

"DHJ" (bracelets, identity, labeled) transform of 4, 0, 0, 0...

n! * A032241.

Crossrefs

Sequence in context: A377211 A140813 A073841 * A345893 A103471 A114979

Adjacent sequences: A032336 A032337 A032338 * A032340 A032341 A032342

Keyword

nonn

Author

Christian G. Bower

Status

approved