A130293 - cp's OEIS frontend

A130293 Number of necklaces of n beads with up to n colors, with cyclic permutation {1,..,n} of the colors taken to be equivalent.

n	a(n)
1	1
2	2
3	5
4	20
5	129
6	1316
7	16813
8	262284
9	4783029
10	100002024
11	2357947701
12	61917406672
13	1792160394049
14	56693913450992
15	1946195068379933
16	72057594071484456
17	2862423051509815809
18	121439531097819321972
19	5480386857784802185957
20	262144000000051200072048
21	13248496640331026150086281

[1, 2, 5, 20, 129, 1316, 16813, 262284, 4783029, 100002024, 2357947701, 61917406672, 1792160394049, 56693913450992, 1946195068379933, 72057594071484456, 2862423051509815809, 121439531097819321972, 5480386857784802185957, 262144000000051200072048, 13248496640331026150086281]

cp's OEIS Frontend

A130293 Number of necklaces of n beads with up to n colors, with cyclic permutation {1,..,n} of the colors taken to be equivalent.

Table of values

List of values