A344870 - cp's OEIS frontend

A344870 Number of distinct prime factors of n^n-1.

n	a(n)
2	1
3	2
4	3
5	3
6	4
7	4
8	6
9	6
10	5
11	4
12	8
13	5
14	5
15	7
16	7
17	4
18	8
19	3
20	11
21	9
22	8
23	6
24	12
25	11
26	8
27	9
28	11
29	9
30	14
31	4
32	12
33	8
34	13
35	10
36	18
37	9
38	8
39	10
40	15
41	7
42	16
43	6
44	14
45	17
46	8
47	5
48	18
49	17
50	13
51	14
52	17
53	7
54	15
55	10
56	18
57	8
58	10
59	5
60	26
61	7
62	9
63	14
64	19
65	14
66	17
67	9
68	15
69	11
70	19
71	7
72	29
73	12
74	7
75	11
76	19
77	12
78	21
79	8
80	22
81	25
82	6
83	6
84	26
85	16
86	9
87	15
88	21
89	8
90	26
91	11
92	15
93	13
94	11
95	11
96	25
97	8
98	12
99	14
100	26

[1, 2, 3, 3, 4, 4, 6, 6, 5, 4, 8, 5, 5, 7, 7, 4, 8, 3, 11, 9, 8, 6, 12, 11, 8, 9, 11, 9, 14, 4, 12, 8, 13, 10, 18, 9, 8, 10, 15, 7, 16, 6, 14, 17, 8, 5, 18, 17, 13, 14, 17, 7, 15, 10, 18, 8, 10, 5, 26, 7, 9, 14, 19, 14, 17, 9, 15, 11, 19, 7, 29, 12, 7, 11, 19, 12, 21, 8, 22, 25, 6, 6, 26, 16, 9, 15, 21, 8, 26, 11, 15, 13, 11, 11, 25, 8, 12, 14, 26]

cp's OEIS Frontend

A344870 Number of distinct prime factors of n^n-1.

Table of values

List of values

n	a(n)
2	1
3	2
4	3
5	3
6	4
7	4
8	6
9	6
10	5
11	4
12	8
13	5
14	5
15	7
16	7
17	4
18	8
19	3
20	11
21	9
22	8
23	6
24	12
25	11
26	8
27	9
28	11
29	9
30	14
31	4
32	12
33	8
34	13
35	10
36	18
37	9
38	8
39	10
40	15
41	7
42	16
43	6
44	14
45	17
46	8
47	5
48	18
49	17
50	13
51	14
52	17
53	7
54	15
55	10
56	18
57	8
58	10
59	5
60	26
61	7
62	9
63	14
64	19
65	14
66	17
67	9
68	15
69	11
70	19
71	7
72	29
73	12
74	7
75	11
76	19
77	12
78	21
79	8
80	22
81	25
82	6
83	6
84	26
85	16
86	9
87	15
88	21
89	8
90	26
91	11
92	15
93	13
94	11
95	11
96	25
97	8
98	12
99	14
100	26

n	a(n)
2	1
3	2
4	3
5	3
6	4
7	4
8	6
9	6
10	5
11	4
12	8
13	5
14	5
15	7
16	7
17	4
18	8
19	3
20	11
21	9
22	8
23	6
24	12
25	11
26	8
27	9
28	11
29	9
30	14
31	4
32	12
33	8
34	13
35	10
36	18
37	9
38	8
39	10
40	15
41	7
42	16
43	6
44	14
45	17
46	8
47	5
48	18
49	17
50	13
51	14
52	17
53	7
54	15
55	10
56	18
57	8
58	10
59	5
60	26
61	7
62	9
63	14
64	19
65	14
66	17
67	9
68	15
69	11
70	19
71	7
72	29
73	12
74	7
75	11
76	19
77	12
78	21
79	8
80	22
81	25
82	6
83	6
84	26
85	16
86	9
87	15
88	21
89	8
90	26
91	11
92	15
93	13
94	11
95	11
96	25
97	8
98	12
99	14
100	26

n	a(n)
2	1
3	2
4	3
5	3
6	4
7	4
8	6
9	6
10	5
11	4
12	8
13	5
14	5
15	7
16	7
17	4
18	8
19	3
20	11
21	9
22	8
23	6
24	12
25	11
26	8
27	9
28	11
29	9
30	14
31	4
32	12
33	8
34	13
35	10
36	18
37	9
38	8
39	10
40	15
41	7
42	16
43	6
44	14
45	17
46	8
47	5
48	18
49	17
50	13
51	14
52	17
53	7
54	15
55	10
56	18
57	8
58	10
59	5
60	26
61	7
62	9
63	14
64	19
65	14
66	17
67	9
68	15
69	11
70	19
71	7
72	29
73	12
74	7
75	11
76	19
77	12
78	21
79	8
80	22
81	25
82	6
83	6
84	26
85	16
86	9
87	15
88	21
89	8
90	26
91	11
92	15
93	13
94	11
95	11
96	25
97	8
98	12
99	14
100	26