Number of bracelets of n beads in up to n colors.
A081721
Number of bracelets of n beads in up to n colors.
Terms
- a(0) =1a(1) =3a(2) =10a(3) =55a(4) =377a(5) =4291a(6) =60028a(7) =1058058a(8) =21552969a(9) =500280022a(10) =12969598086a(11) =371514016094
External references
- oeis: A081721