A360729 - cp's OEIS frontend

A360729 a(n) is the number of prime factors of the n-th powerful number (counted with repetition).

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

[0, 2, 3, 2, 4, 2, 3, 5, 4, 2, 6, 5, 4, 4, 5, 2, 3, 7, 6, 2, 4, 5, 6, 4, 5, 8, 7, 2, 6, 3, 2, 5, 6, 7, 4, 4, 5, 9, 2, 8, 4, 7, 5, 4, 6, 6, 7, 2, 8, 6, 2, 5, 7, 6, 10, 4, 5, 9, 4, 4, 8, 5, 3, 5, 2, 5, 4, 4, 7, 8, 2, 9, 6, 7, 2, 6, 8, 7, 6, 11, 4, 7, 3, 2, 10, 5]

cp's OEIS Frontend

A360729 a(n) is the number of prime factors of the n-th powerful number (counted with repetition).

Table of values

List of values

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

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

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