A318730 - cp's OEIS frontend

A318730 Number of cyclic compositions (necklaces of positive integers) summing to n with adjacent parts (including the last and first part) being indivisible (either way).

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	3
8	2
9	3
10	6
11	5
12	8
13	7
14	14
15	15
16	21
17	31
18	39
19	51
20	69
21	98
22	133
23	177
24	254
25	329
26	471
27	632
28	902
29	1230
30	1710
31	2370
32	3270
33	4591
34	6384
35	8898
36	12429
37	17252
38	24230
39	33783
40	47405
41	66254
42	92860
43	130142
44	182469
45	256262
46	359676
47	505231
48	710059
49	997953
50	1404215

[1, 1, 1, 1, 2, 1, 3, 2, 3, 6, 5, 8, 7, 14, 15, 21, 31, 39, 51, 69, 98, 133, 177, 254, 329, 471, 632, 902, 1230, 1710, 2370, 3270, 4591, 6384, 8898, 12429, 17252, 24230, 33783, 47405, 66254, 92860, 130142, 182469, 256262, 359676, 505231, 710059, 997953, 1404215]

cp's OEIS Frontend

A318730 Number of cyclic compositions (necklaces of positive integers) summing to n with adjacent parts (including the last and first part) being indivisible (either way).

Table of values

List of values