A187269 - cp's OEIS frontend

A187269 Number of nonempty subsets of {1, 2, ..., n} with <=8 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	3031
20	3223
21	3607
22	3863
23	7646
24	7901
25	10987
26	11719
27	14393
28	15219
29	29383
30	29638
31	55637
32	61912
33	67681
34	71466
35	80284
36	81965
37	149001
38	156985
39	170628

[1, 3, 7, 11, 23, 27, 55, 71, 103, 115, 231, 247, 495, 543, 615, 727, 1455, 1519, 3031, 3223, 3607, 3863, 7646, 7901, 10987, 11719, 14393, 15219, 29383, 29638, 55637, 61912, 67681, 71466, 80284, 81965, 149001, 156985, 170628]

cp's OEIS Frontend

A187269 Number of nonempty subsets of {1, 2, ..., n} with <=8 pairwise coprime elements.

Table of values

List of values