A343659 - cp's OEIS frontend

A343659 Number of maximal pairwise coprime subsets of {1..n}.

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	3
7	3
8	4
9	7
10	9
11	9
12	10
13	10
14	12
15	16
16	19
17	19
18	20
19	20
20	22
21	28
22	32
23	32
24	33
25	54
26	61
27	77
28	84
29	84
30	85
31	85
32	94
33	112
34	123
35	158
36	161
37	161
38	176
39	206
40	212
41	212
42	214
43	214
44	229
45	241
46	260
47	260
48	263
49	417
50	428
51	490
52	521
53	521
54	526
55	655
56	674
57	764
58	818
59	818
60	820
61	820
62	874
63	918
64	975
65	1182
66	1189
67	1189

[1, 1, 1, 2, 2, 3, 3, 4, 7, 9, 9, 10, 10, 12, 16, 19, 19, 20, 20, 22, 28, 32, 32, 33, 54, 61, 77, 84, 84, 85, 85, 94, 112, 123, 158, 161, 161, 176, 206, 212, 212, 214, 214, 229, 241, 260, 260, 263, 417, 428, 490, 521, 521, 526, 655, 674, 764, 818, 818, 820, 820, 874, 918, 975, 1182, 1189, 1189]

cp's OEIS Frontend

A343659 Number of maximal pairwise coprime subsets of {1..n}.

Table of values

List of values