A285573 - cp's OEIS frontend

A285573 Number of finite nonempty sets of pairwise indivisible divisors of n.

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	5
7	2
8	4
9	3
10	5
11	2
12	9
13	2
14	5
15	5
16	5
17	2
18	9
19	2
20	9
21	5
22	5
23	2
24	14
25	3
26	5
27	4
28	9
29	2
30	19
31	2
32	6
33	5
34	5
35	5
36	19
37	2
38	5
39	5
40	14
41	2
42	19
43	2
44	9
45	9
46	5
47	2
48	20
49	3
50	9
51	5
52	9
53	2
54	14
55	5
56	14
57	5
58	5
59	2
60	49
61	2
62	5
63	9
64	7
65	5
66	19
67	2
68	9
69	5
70	19
71	2
72	34
73	2
74	5
75	9
76	9
77	5
78	19
79	2
80	20
81	5
82	5
83	2
84	49
85	5
86	5
87	5
88	14
89	2
90	49
91	5
92	9
93	5
94	5
95	5
96	27
97	2
98	9
99	9
100	19

[1, 2, 2, 3, 2, 5, 2, 4, 3, 5, 2, 9, 2, 5, 5, 5, 2, 9, 2, 9, 5, 5, 2, 14, 3, 5, 4, 9, 2, 19, 2, 6, 5, 5, 5, 19, 2, 5, 5, 14, 2, 19, 2, 9, 9, 5, 2, 20, 3, 9, 5, 9, 2, 14, 5, 14, 5, 5, 2, 49, 2, 5, 9, 7, 5, 19, 2, 9, 5, 19, 2, 34, 2, 5, 9, 9, 5, 19, 2, 20, 5, 5, 2, 49, 5, 5, 5, 14, 2, 49, 5, 9, 5, 5, 5, 27, 2, 9, 9, 19]

cp's OEIS Frontend

A285573 Number of finite nonempty sets of pairwise indivisible divisors of n.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	5
7	2
8	4
9	3
10	5
11	2
12	9
13	2
14	5
15	5
16	5
17	2
18	9
19	2
20	9
21	5
22	5
23	2
24	14
25	3
26	5
27	4
28	9
29	2
30	19
31	2
32	6
33	5
34	5
35	5
36	19
37	2
38	5
39	5
40	14
41	2
42	19
43	2
44	9
45	9
46	5
47	2
48	20
49	3
50	9
51	5
52	9
53	2
54	14
55	5
56	14
57	5
58	5
59	2
60	49
61	2
62	5
63	9
64	7
65	5
66	19
67	2
68	9
69	5
70	19
71	2
72	34
73	2
74	5
75	9
76	9
77	5
78	19
79	2
80	20
81	5
82	5
83	2
84	49
85	5
86	5
87	5
88	14
89	2
90	49
91	5
92	9
93	5
94	5
95	5
96	27
97	2
98	9
99	9
100	19

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	5
7	2
8	4
9	3
10	5
11	2
12	9
13	2
14	5
15	5
16	5
17	2
18	9
19	2
20	9
21	5
22	5
23	2
24	14
25	3
26	5
27	4
28	9
29	2
30	19
31	2
32	6
33	5
34	5
35	5
36	19
37	2
38	5
39	5
40	14
41	2
42	19
43	2
44	9
45	9
46	5
47	2
48	20
49	3
50	9
51	5
52	9
53	2
54	14
55	5
56	14
57	5
58	5
59	2
60	49
61	2
62	5
63	9
64	7
65	5
66	19
67	2
68	9
69	5
70	19
71	2
72	34
73	2
74	5
75	9
76	9
77	5
78	19
79	2
80	20
81	5
82	5
83	2
84	49
85	5
86	5
87	5
88	14
89	2
90	49
91	5
92	9
93	5
94	5
95	5
96	27
97	2
98	9
99	9
100	19

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	5
7	2
8	4
9	3
10	5
11	2
12	9
13	2
14	5
15	5
16	5
17	2
18	9
19	2
20	9
21	5
22	5
23	2
24	14
25	3
26	5
27	4
28	9
29	2
30	19
31	2
32	6
33	5
34	5
35	5
36	19
37	2
38	5
39	5
40	14
41	2
42	19
43	2
44	9
45	9
46	5
47	2
48	20
49	3
50	9
51	5
52	9
53	2
54	14
55	5
56	14
57	5
58	5
59	2
60	49
61	2
62	5
63	9
64	7
65	5
66	19
67	2
68	9
69	5
70	19
71	2
72	34
73	2
74	5
75	9
76	9
77	5
78	19
79	2
80	20
81	5
82	5
83	2
84	49
85	5
86	5
87	5
88	14
89	2
90	49
91	5
92	9
93	5
94	5
95	5
96	27
97	2
98	9
99	9
100	19