A309941 - cp's OEIS frontend

A309941 Number of prime factors of n^n - 1, counted with multiplicity.

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

[1, 2, 3, 4, 4, 4, 7, 8, 6, 4, 8, 6, 5, 7, 7, 7, 10, 4, 11, 10, 8, 6, 13, 13, 11, 9, 13, 10, 15, 4, 13, 12, 13, 10, 18, 11, 8, 10, 16, 9, 16, 6, 15, 18, 9, 5, 19, 20, 14, 15, 17, 8, 16, 12, 18, 10, 10, 5, 26, 8, 10, 14, 20, 19, 17, 9, 17, 12, 19, 7, 29, 15, 8, 11, 20, 13, 21, 8]

cp's OEIS Frontend

A309941 Number of prime factors of n^n - 1, counted with multiplicity.

Table of values

List of values

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

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

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