A187270 - cp's OEIS frontend

A187270 Number of nonempty subsets of {1, 2, ..., n} with <=9 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	1455
18	1519
19	3039
20	3231
21	3615
22	3871
23	7735
24	7991
25	11151
26	11887
27	14631
28	15463
29	30683
30	30939
31	60578
32	67646
33	73813
34	77845
35	87284
36	89054
37	171020
38	179960
39	195265

[1, 3, 7, 11, 23, 27, 55, 71, 103, 115, 231, 247, 495, 543, 615, 727, 1455, 1519, 3039, 3231, 3615, 3871, 7735, 7991, 11151, 11887, 14631, 15463, 30683, 30939, 60578, 67646, 73813, 77845, 87284, 89054, 171020, 179960, 195265]

cp's OEIS Frontend

A187270 Number of nonempty subsets of {1, 2, ..., n} with <=9 pairwise coprime elements.

Table of values

List of values