A064137 - cp's OEIS frontend

A064137 Number of divisors of 12^n + 1 that are relatively prime to 12^m + 1 for all 0 < m < n.

n	a(n)
0	2
1	2
2	4
3	4
4	4
5	2
6	2
7	4
8	8
9	4
10	2
11	2
12	4
13	8
14	4
15	8
16	4
17	4
18	4
19	8
20	16
21	8
22	16
23	8
24	8
25	16
26	8
27	32
28	2
29	4
30	2
31	4
32	4
33	32
34	4
35	2
36	8
37	8
38	8
39	16
40	2
41	16
42	2
43	16
44	4
45	8
46	2
47	16
48	8
49	4
50	32
51	16
52	8
53	16
54	32
55	16
56	64
57	16
58	32
59	32
60	4
61	16
62	16
63	16
64	32
65	8
66	16
67	8
68	8
69	64
70	16
71	4
72	16
73	16
74	64
75	64
76	8
77	4
78	8

[2, 2, 4, 4, 4, 2, 2, 4, 8, 4, 2, 2, 4, 8, 4, 8, 4, 4, 4, 8, 16, 8, 16, 8, 8, 16, 8, 32, 2, 4, 2, 4, 4, 32, 4, 2, 8, 8, 8, 16, 2, 16, 2, 16, 4, 8, 2, 16, 8, 4, 32, 16, 8, 16, 32, 16, 64, 16, 32, 32, 4, 16, 16, 16, 32, 8, 16, 8, 8, 64, 16, 4, 16, 16, 64, 64, 8, 4, 8]

cp's OEIS Frontend

A064137 Number of divisors of 12^n + 1 that are relatively prime to 12^m + 1 for all 0 < m < n.

Table of values

List of values

n	a(n)
0	2
1	2
2	4
3	4
4	4
5	2
6	2
7	4
8	8
9	4
10	2
11	2
12	4
13	8
14	4
15	8
16	4
17	4
18	4
19	8
20	16
21	8
22	16
23	8
24	8
25	16
26	8
27	32
28	2
29	4
30	2
31	4
32	4
33	32
34	4
35	2
36	8
37	8
38	8
39	16
40	2
41	16
42	2
43	16
44	4
45	8
46	2
47	16
48	8
49	4
50	32
51	16
52	8
53	16
54	32
55	16
56	64
57	16
58	32
59	32
60	4
61	16
62	16
63	16
64	32
65	8
66	16
67	8
68	8
69	64
70	16
71	4
72	16
73	16
74	64
75	64
76	8
77	4
78	8

n	a(n)
0	2
1	2
2	4
3	4
4	4
5	2
6	2
7	4
8	8
9	4
10	2
11	2
12	4
13	8
14	4
15	8
16	4
17	4
18	4
19	8
20	16
21	8
22	16
23	8
24	8
25	16
26	8
27	32
28	2
29	4
30	2
31	4
32	4
33	32
34	4
35	2
36	8
37	8
38	8
39	16
40	2
41	16
42	2
43	16
44	4
45	8
46	2
47	16
48	8
49	4
50	32
51	16
52	8
53	16
54	32
55	16
56	64
57	16
58	32
59	32
60	4
61	16
62	16
63	16
64	32
65	8
66	16
67	8
68	8
69	64
70	16
71	4
72	16
73	16
74	64
75	64
76	8
77	4
78	8

n	a(n)
0	2
1	2
2	4
3	4
4	4
5	2
6	2
7	4
8	8
9	4
10	2
11	2
12	4
13	8
14	4
15	8
16	4
17	4
18	4
19	8
20	16
21	8
22	16
23	8
24	8
25	16
26	8
27	32
28	2
29	4
30	2
31	4
32	4
33	32
34	4
35	2
36	8
37	8
38	8
39	16
40	2
41	16
42	2
43	16
44	4
45	8
46	2
47	16
48	8
49	4
50	32
51	16
52	8
53	16
54	32
55	16
56	64
57	16
58	32
59	32
60	4
61	16
62	16
63	16
64	32
65	8
66	16
67	8
68	8
69	64
70	16
71	4
72	16
73	16
74	64
75	64
76	8
77	4
78	8