A357984 - cp's OEIS frontend

A357984 Replace prime(k) with A000720(k) in the prime factorization of n.

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

[1, 0, 1, 0, 2, 0, 2, 0, 1, 0, 3, 0, 3, 0, 2, 0, 4, 0, 4, 0, 2, 0, 4, 0, 4, 0, 1, 0, 4, 0, 5, 0, 3, 0, 4, 0, 5, 0, 3, 0, 6, 0, 6, 0, 2, 0, 6, 0, 4, 0, 4, 0, 6, 0, 6, 0, 4, 0, 7, 0, 7, 0, 2, 0, 6, 0, 8, 0, 4, 0, 8, 0, 8, 0, 4, 0, 6, 0, 8, 0, 1, 0, 9, 0, 8, 0, 4]

cp's OEIS Frontend

A357984 Replace prime(k) with A000720(k) in the prime factorization of n.

Table of values

List of values

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

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

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