A366708 - cp's OEIS frontend

A366708 Number of prime factors of 12^n - 1 (counted with multiplicity).

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

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

cp's OEIS Frontend

A366708 Number of prime factors of 12^n - 1 (counted with multiplicity).

Table of values

List of values

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

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

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