A186983 - cp's OEIS frontend

A186983 Number of 7-element subsets of {1, 2, ..., n} having pairwise coprime elements.

n	a(n)
13	6
14	6
15	6
16	8
17	64
18	65
19	284
20	297
21	324
22	339
23	1116
24	1144
25	1784
26	1886
27	2449
28	2576
29	6499
30	6527
31	14386
32	16178
33	17683
34	18649
35	21003
36	21395
37	42708
38	44997
39	48966
40	50310
41	93138
42	93852
43	163212
44	170778
45	178896
46	187722
47	310605
48	315687
49	408771
50	419661
51	453255

[6, 6, 6, 8, 64, 65, 284, 297, 324, 339, 1116, 1144, 1784, 1886, 2449, 2576, 6499, 6527, 14386, 16178, 17683, 18649, 21003, 21395, 42708, 44997, 48966, 50310, 93138, 93852, 163212, 170778, 178896, 187722, 310605, 315687, 408771, 419661, 453255]

cp's OEIS Frontend

A186983 Number of 7-element subsets of {1, 2, ..., n} having pairwise coprime elements.

Table of values

List of values