A187271 - cp's OEIS frontend

A187271 Number of nonempty subsets of {1, 2, ..., n} with <=10 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	30951
30	31207
31	62147
32	69503
33	75765
34	79855
35	89440
36	91230
37	180285
38	189556
39	205432

[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, 30951, 31207, 62147, 69503, 75765, 79855, 89440, 91230, 180285, 189556, 205432]

cp's OEIS Frontend

A187271 Number of nonempty subsets of {1, 2, ..., n} with <=10 pairwise coprime elements.

Table of values

List of values