A186991 - cp's OEIS frontend

A186991 Number of subsets of {1, 2, ..., n} containing n and having <=7 pairwise coprime elements.

n	a(n)
1	1
2	2
3	4
4	4
5	12
6	4
7	28
8	16
9	32
10	12
11	116
12	16
13	248
14	48
15	72
16	112
17	720
18	64
19	1447
20	190
21	380
22	254
23	3444
24	247
25	2795
26	701
27	2410
28	784
29	11588
30	247
31	19472
32	4839
33	4802
34	3175
35	7300
36	1449
37	45641
38	6191
39	10520
40	3908
41	82986
42	2124
43	124554
44	15874
45	17608

[1, 2, 4, 4, 12, 4, 28, 16, 32, 12, 116, 16, 248, 48, 72, 112, 720, 64, 1447, 190, 380, 254, 3444, 247, 2795, 701, 2410, 784, 11588, 247, 19472, 4839, 4802, 3175, 7300, 1449, 45641, 6191, 10520, 3908, 82986, 2124, 124554, 15874, 17608]

cp's OEIS Frontend

A186991 Number of subsets of {1, 2, ..., n} containing n and having <=7 pairwise coprime elements.

Table of values

List of values