A032337 Number of identity bracelets with n labeled beads of 2 colors.

2, 2, 0, 0, 0, 720, 10080, 241920, 5080320, 108864000, 2474841600, 60833203200, 1569209241600, 42978897561600, 1265828788224000, 38916389191680000, 1280474741145600000, 44189183316934656000

Offset: 1

Author

Christian G. Bower

Keywords

• nonn

Links

• C. G. Bower, Transforms (2)

Formula

"DHJ" (bracelets, identity, labeled) transform of 2, 0, 0, 0...

n! * A032239.