A057955 - cp's OEIS frontend

A057955 Number of prime factors of 6^n - 1 (counted with multiplicity).

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

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

cp's OEIS Frontend

A057955 Number of prime factors of 6^n - 1 (counted with multiplicity).

Table of values

List of values

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

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

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