Number of necklaces of n beads with up to n colors, with cyclic permutation {1,..,n} of the colors taken to be equivalent.

A130293

Number of necklaces of n beads with up to n colors, with cyclic permutation {1,..,n} of the colors taken to be equivalent.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =20a(4) =129a(5) =1316a(6) =16813a(7) =262284a(8) =4783029a(9) =100002024a(10) =2357947701a(11) =61917406672

External references