A076399 - cp's OEIS frontend

A076399 Number of prime factors of n-th perfect power (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	4
13	4
14	2
15	3
16	7
17	6
18	2
19	4
20	6
21	4
22	5
23	8
24	2
25	6
26	3
27	2
28	6
29	4
30	4
31	9
32	2
33	8
34	4
35	4
36	6
37	6
38	2
39	6
40	2
41	6
42	10
43	4
44	4
45	4
46	8
47	3
48	2
49	4
50	4
51	8
52	2
53	9
54	6
55	2
56	6
57	6
58	11
59	4
60	7
61	3
62	2
63	10
64	4
65	6
66	4
67	6
68	6
69	2
70	8
71	4
72	5
73	8
74	4
75	4
76	6
77	2
78	8
79	2
80	4
81	6
82	12
83	4
84	6
85	2
86	6
87	4
88	6
89	3
90	2
91	10
92	2
93	4
94	6
95	6
96	9
97	4
98	6
99	2
100	10
101	8

[0, 2, 3, 2, 4, 2, 3, 5, 4, 2, 6, 4, 4, 2, 3, 7, 6, 2, 4, 6, 4, 5, 8, 2, 6, 3, 2, 6, 4, 4, 9, 2, 8, 4, 4, 6, 6, 2, 6, 2, 6, 10, 4, 4, 4, 8, 3, 2, 4, 4, 8, 2, 9, 6, 2, 6, 6, 11, 4, 7, 3, 2, 10, 4, 6, 4, 6, 6, 2, 8, 4, 5, 8, 4, 4, 6, 2, 8, 2, 4, 6, 12, 4, 6, 2, 6, 4, 6, 3, 2, 10, 2, 4, 6, 6, 9, 4, 6, 2, 10, 8]

cp's OEIS Frontend

A076399 Number of prime factors of n-th perfect power (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	4
13	4
14	2
15	3
16	7
17	6
18	2
19	4
20	6
21	4
22	5
23	8
24	2
25	6
26	3
27	2
28	6
29	4
30	4
31	9
32	2
33	8
34	4
35	4
36	6
37	6
38	2
39	6
40	2
41	6
42	10
43	4
44	4
45	4
46	8
47	3
48	2
49	4
50	4
51	8
52	2
53	9
54	6
55	2
56	6
57	6
58	11
59	4
60	7
61	3
62	2
63	10
64	4
65	6
66	4
67	6
68	6
69	2
70	8
71	4
72	5
73	8
74	4
75	4
76	6
77	2
78	8
79	2
80	4
81	6
82	12
83	4
84	6
85	2
86	6
87	4
88	6
89	3
90	2
91	10
92	2
93	4
94	6
95	6
96	9
97	4
98	6
99	2
100	10
101	8

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	4
13	4
14	2
15	3
16	7
17	6
18	2
19	4
20	6
21	4
22	5
23	8
24	2
25	6
26	3
27	2
28	6
29	4
30	4
31	9
32	2
33	8
34	4
35	4
36	6
37	6
38	2
39	6
40	2
41	6
42	10
43	4
44	4
45	4
46	8
47	3
48	2
49	4
50	4
51	8
52	2
53	9
54	6
55	2
56	6
57	6
58	11
59	4
60	7
61	3
62	2
63	10
64	4
65	6
66	4
67	6
68	6
69	2
70	8
71	4
72	5
73	8
74	4
75	4
76	6
77	2
78	8
79	2
80	4
81	6
82	12
83	4
84	6
85	2
86	6
87	4
88	6
89	3
90	2
91	10
92	2
93	4
94	6
95	6
96	9
97	4
98	6
99	2
100	10
101	8

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	4
13	4
14	2
15	3
16	7
17	6
18	2
19	4
20	6
21	4
22	5
23	8
24	2
25	6
26	3
27	2
28	6
29	4
30	4
31	9
32	2
33	8
34	4
35	4
36	6
37	6
38	2
39	6
40	2
41	6
42	10
43	4
44	4
45	4
46	8
47	3
48	2
49	4
50	4
51	8
52	2
53	9
54	6
55	2
56	6
57	6
58	11
59	4
60	7
61	3
62	2
63	10
64	4
65	6
66	4
67	6
68	6
69	2
70	8
71	4
72	5
73	8
74	4
75	4
76	6
77	2
78	8
79	2
80	4
81	6
82	12
83	4
84	6
85	2
86	6
87	4
88	6
89	3
90	2
91	10
92	2
93	4
94	6
95	6
96	9
97	4
98	6
99	2
100	10
101	8