A337664 - cp's OEIS frontend

A337664 Number of compositions of n whose set of distinct parts is pairwise coprime, where a singleton is always considered coprime.

n	a(n)
0	1
1	1
2	2
3	4
4	8
5	16
6	30
7	58
8	111
9	210
10	396
11	750
12	1420
13	2688
14	5079
15	9586
16	18092
17	34157
18	64516
19	121899
20	230373
21	435463
22	823379
23	1557421
24	2946938
25	5578111
26	10561990
27	20005129
28	37902514
29	71832373
30	136173273
31	258211603
32	489738627
33	929074448
34	1762899110
35	3345713034

[1, 1, 2, 4, 8, 16, 30, 58, 111, 210, 396, 750, 1420, 2688, 5079, 9586, 18092, 34157, 64516, 121899, 230373, 435463, 823379, 1557421, 2946938, 5578111, 10561990, 20005129, 37902514, 71832373, 136173273, 258211603, 489738627, 929074448, 1762899110, 3345713034]

cp's OEIS Frontend

A337664 Number of compositions of n whose set of distinct parts is pairwise coprime, where a singleton is always considered coprime.

Table of values

List of values