A187106 - cp's OEIS frontend

A187106 Number of nonempty subsets of {1, 2, ..., n} having 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	7743
24	7999
25	11167
26	11903
27	14655
28	15487
29	30975
30	31231
31	62463
32	69887
33	76159
34	80255
35	89855
36	91647
37	183295
38	192639
39	208639
40	214271
41	428543

[1, 3, 7, 11, 23, 27, 55, 71, 103, 115, 231, 247, 495, 543, 615, 727, 1455, 1519, 3039, 3231, 3615, 3871, 7743, 7999, 11167, 11903, 14655, 15487, 30975, 31231, 62463, 69887, 76159, 80255, 89855, 91647, 183295, 192639, 208639, 214271, 428543]

cp's OEIS Frontend

A187106 Number of nonempty subsets of {1, 2, ..., n} having pairwise coprime elements.

Table of values

List of values