A072605 - cp's OEIS frontend

A072605 Number of necklaces with n beads over an n-ary alphabet {a1,a2,...,an} such that #(w,a1) >= #(w,a2) >= ... >= #(w,ak) >= 0, where #(w,x) counts the letters x in word w.

n	a(n)
0	1
1	1
2	2
3	4
4	13
5	50
6	270
7	1641
8	11945
9	96784
10	887982
11	8939051
12	99298354
13	1195617443
14	15619182139
15	219049941201
16	3293800835940
17	52746930894774
18	897802366250126
19	16167544246362567
20	307372573011579188
21	6148811682561390279
22	129164845357784003661

[1, 1, 2, 4, 13, 50, 270, 1641, 11945, 96784, 887982, 8939051, 99298354, 1195617443, 15619182139, 219049941201, 3293800835940, 52746930894774, 897802366250126, 16167544246362567, 307372573011579188, 6148811682561390279, 129164845357784003661]

cp's OEIS Frontend

A072605 Number of necklaces with n beads over an n-ary alphabet {a1,a2,...,an} such that #(w,a1) >= #(w,a2) >= ... >= #(w,ak) >= 0, where #(w,x) counts the letters x in word w.

Table of values

List of values