A186994 - cp's OEIS frontend

A186994 Number of maximal subsets of {1, 2, ..., n} containing n and having pairwise coprime elements.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	1
9	3
10	2
11	6
12	1
13	6
14	2
15	3
16	2
17	8
18	1
19	8
20	2
21	4
22	2
23	8
24	1
25	8
26	4
27	8
28	6
29	24
30	1
31	24
32	6
33	10
34	6
35	15
36	2
37	30
38	6
39	10
40	3
41	30
42	2
43	30
44	6
45	5
46	6
47	30
48	2
49	30
50	6
51	20
52	12
53	60
54	4
55	30
56	6
57	20
58	12
59	60
60	2
61	60
62	12
63	10
64	12
65	36
66	4
67	72
68	12
69	24
70	3
71	72
72	4
73	72
74	12
75	12
76	12
77	36

[1, 1, 1, 1, 2, 1, 2, 1, 3, 2, 6, 1, 6, 2, 3, 2, 8, 1, 8, 2, 4, 2, 8, 1, 8, 4, 8, 6, 24, 1, 24, 6, 10, 6, 15, 2, 30, 6, 10, 3, 30, 2, 30, 6, 5, 6, 30, 2, 30, 6, 20, 12, 60, 4, 30, 6, 20, 12, 60, 2, 60, 12, 10, 12, 36, 4, 72, 12, 24, 3, 72, 4, 72, 12, 12, 12, 36]

cp's OEIS Frontend

A186994 Number of maximal subsets of {1, 2, ..., n} containing n and having pairwise coprime elements.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	1
9	3
10	2
11	6
12	1
13	6
14	2
15	3
16	2
17	8
18	1
19	8
20	2
21	4
22	2
23	8
24	1
25	8
26	4
27	8
28	6
29	24
30	1
31	24
32	6
33	10
34	6
35	15
36	2
37	30
38	6
39	10
40	3
41	30
42	2
43	30
44	6
45	5
46	6
47	30
48	2
49	30
50	6
51	20
52	12
53	60
54	4
55	30
56	6
57	20
58	12
59	60
60	2
61	60
62	12
63	10
64	12
65	36
66	4
67	72
68	12
69	24
70	3
71	72
72	4
73	72
74	12
75	12
76	12
77	36

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	1
9	3
10	2
11	6
12	1
13	6
14	2
15	3
16	2
17	8
18	1
19	8
20	2
21	4
22	2
23	8
24	1
25	8
26	4
27	8
28	6
29	24
30	1
31	24
32	6
33	10
34	6
35	15
36	2
37	30
38	6
39	10
40	3
41	30
42	2
43	30
44	6
45	5
46	6
47	30
48	2
49	30
50	6
51	20
52	12
53	60
54	4
55	30
56	6
57	20
58	12
59	60
60	2
61	60
62	12
63	10
64	12
65	36
66	4
67	72
68	12
69	24
70	3
71	72
72	4
73	72
74	12
75	12
76	12
77	36

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	1
9	3
10	2
11	6
12	1
13	6
14	2
15	3
16	2
17	8
18	1
19	8
20	2
21	4
22	2
23	8
24	1
25	8
26	4
27	8
28	6
29	24
30	1
31	24
32	6
33	10
34	6
35	15
36	2
37	30
38	6
39	10
40	3
41	30
42	2
43	30
44	6
45	5
46	6
47	30
48	2
49	30
50	6
51	20
52	12
53	60
54	4
55	30
56	6
57	20
58	12
59	60
60	2
61	60
62	12
63	10
64	12
65	36
66	4
67	72
68	12
69	24
70	3
71	72
72	4
73	72
74	12
75	12
76	12
77	36