A187268 - cp's OEIS frontend

A187268 Number of nonempty subsets of {1, 2, ..., n} with <=7 pairwise coprime elements.

n	a(n)
1	1
2	3
3	7
4	11
5	23
6	27
7	55
8	71
9	103
10	115
11	231
12	247
13	495
14	543
15	615
16	727
17	1447
18	1511
19	2958
20	3148
21	3528
22	3782
23	7226
24	7473
25	10268
26	10969
27	13379
28	14163
29	25751
30	25998
31	45470
32	50309
33	55111
34	58286
35	65586
36	67035
37	112676
38	118867
39	129387
40	133295

[1, 3, 7, 11, 23, 27, 55, 71, 103, 115, 231, 247, 495, 543, 615, 727, 1447, 1511, 2958, 3148, 3528, 3782, 7226, 7473, 10268, 10969, 13379, 14163, 25751, 25998, 45470, 50309, 55111, 58286, 65586, 67035, 112676, 118867, 129387, 133295]

cp's OEIS Frontend

A187268 Number of nonempty subsets of {1, 2, ..., n} with <=7 pairwise coprime elements.

Table of values

List of values