A337561 - cp's OEIS frontend

A337561 Number of pairwise coprime strict compositions of n, where a singleton is not considered coprime unless it is (1).

n	a(n)
0	1
1	1
2	0
3	2
4	2
5	4
6	8
7	6
8	16
9	12
10	22
11	40
12	40
13	66
14	48
15	74
16	74
17	154
18	210
19	228
20	242
21	240
22	286
23	394
24	806
25	536
26	840
27	654
28	1146
29	1618
30	2036
31	2550
32	2212
33	2006
34	2662
35	4578
36	4170
37	7122
38	4842
39	6012
40	6214
41	11638
42	13560
43	16488
44	14738
45	15444
46	16528
47	25006
48	41002
49	32802

[1, 1, 0, 2, 2, 4, 8, 6, 16, 12, 22, 40, 40, 66, 48, 74, 74, 154, 210, 228, 242, 240, 286, 394, 806, 536, 840, 654, 1146, 1618, 2036, 2550, 2212, 2006, 2662, 4578, 4170, 7122, 4842, 6012, 6214, 11638, 13560, 16488, 14738, 15444, 16528, 25006, 41002, 32802]

cp's OEIS Frontend

A337561 Number of pairwise coprime strict compositions of n, where a singleton is not considered coprime unless it is (1).

Table of values

List of values