A241556 - cp's OEIS frontend

A241556 Number of prime anti-divisors m of n.

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	0
7	3
8	2
9	1
10	2
11	3
12	1
13	3
14	1
15	1
16	2
17	5
18	2
19	3
20	2
21	1
22	2
23	3
24	1
25	4
26	2
27	3
28	4
29	3
30	0
31	3
32	4
33	3
34	2
35	3
36	0
37	3
38	4
39	3
40	1
41	2
42	2
43	5
44	2
45	3
46	4
47	5
48	2
49	3
50	2
51	1
52	3
53	4
54	0
55	3
56	2
57	3
58	4
59	5
60	3
61	4
62	3
63	2
64	2
65	3
66	2
67	5
68	2
69	1
70	2
71	5
72	4
73	5
74	2
75	1
76	2
77	5
78	2
79	3
80	4
81	3
82	3
83	4
84	1
85	4
86	2
87	3
88	4
89	3
90	0
91	3
92	4
93	5
94	4
95	3
96	0

[0, 0, 1, 1, 2, 0, 3, 2, 1, 2, 3, 1, 3, 1, 1, 2, 5, 2, 3, 2, 1, 2, 3, 1, 4, 2, 3, 4, 3, 0, 3, 4, 3, 2, 3, 0, 3, 4, 3, 1, 2, 2, 5, 2, 3, 4, 5, 2, 3, 2, 1, 3, 4, 0, 3, 2, 3, 4, 5, 3, 4, 3, 2, 2, 3, 2, 5, 2, 1, 2, 5, 4, 5, 2, 1, 2, 5, 2, 3, 4, 3, 3, 4, 1, 4, 2, 3, 4, 3, 0, 3, 4, 5, 4, 3, 0]

cp's OEIS Frontend

A241556 Number of prime anti-divisors m of n.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	0
7	3
8	2
9	1
10	2
11	3
12	1
13	3
14	1
15	1
16	2
17	5
18	2
19	3
20	2
21	1
22	2
23	3
24	1
25	4
26	2
27	3
28	4
29	3
30	0
31	3
32	4
33	3
34	2
35	3
36	0
37	3
38	4
39	3
40	1
41	2
42	2
43	5
44	2
45	3
46	4
47	5
48	2
49	3
50	2
51	1
52	3
53	4
54	0
55	3
56	2
57	3
58	4
59	5
60	3
61	4
62	3
63	2
64	2
65	3
66	2
67	5
68	2
69	1
70	2
71	5
72	4
73	5
74	2
75	1
76	2
77	5
78	2
79	3
80	4
81	3
82	3
83	4
84	1
85	4
86	2
87	3
88	4
89	3
90	0
91	3
92	4
93	5
94	4
95	3
96	0

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	0
7	3
8	2
9	1
10	2
11	3
12	1
13	3
14	1
15	1
16	2
17	5
18	2
19	3
20	2
21	1
22	2
23	3
24	1
25	4
26	2
27	3
28	4
29	3
30	0
31	3
32	4
33	3
34	2
35	3
36	0
37	3
38	4
39	3
40	1
41	2
42	2
43	5
44	2
45	3
46	4
47	5
48	2
49	3
50	2
51	1
52	3
53	4
54	0
55	3
56	2
57	3
58	4
59	5
60	3
61	4
62	3
63	2
64	2
65	3
66	2
67	5
68	2
69	1
70	2
71	5
72	4
73	5
74	2
75	1
76	2
77	5
78	2
79	3
80	4
81	3
82	3
83	4
84	1
85	4
86	2
87	3
88	4
89	3
90	0
91	3
92	4
93	5
94	4
95	3
96	0

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	0
7	3
8	2
9	1
10	2
11	3
12	1
13	3
14	1
15	1
16	2
17	5
18	2
19	3
20	2
21	1
22	2
23	3
24	1
25	4
26	2
27	3
28	4
29	3
30	0
31	3
32	4
33	3
34	2
35	3
36	0
37	3
38	4
39	3
40	1
41	2
42	2
43	5
44	2
45	3
46	4
47	5
48	2
49	3
50	2
51	1
52	3
53	4
54	0
55	3
56	2
57	3
58	4
59	5
60	3
61	4
62	3
63	2
64	2
65	3
66	2
67	5
68	2
69	1
70	2
71	5
72	4
73	5
74	2
75	1
76	2
77	5
78	2
79	3
80	4
81	3
82	3
83	4
84	1
85	4
86	2
87	3
88	4
89	3
90	0
91	3
92	4
93	5
94	4
95	3
96	0