A366988 - cp's OEIS frontend

A366988 The number of prime powers of prime numbers (A053810) that divide n.

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

[0, 0, 0, 1, 0, 0, 0, 2, 1, 0, 0, 1, 0, 0, 0, 2, 0, 1, 0, 1, 0, 0, 0, 2, 1, 0, 2, 1, 0, 0, 0, 3, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 1, 1, 0, 0, 2, 1, 1, 0, 1, 0, 2, 0, 2, 0, 0, 0, 1, 0, 0, 1, 3, 0, 0, 0, 1, 0, 0, 0, 3, 0, 0, 1, 1, 0, 0, 0, 2, 2, 0, 0, 1, 0, 0, 0]

cp's OEIS Frontend

A366988 The number of prime powers of prime numbers (A053810) that divide n.

Table of values

List of values

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

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

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