A054708 - cp's OEIS frontend

A054708 Number of powers of 7 modulo n.

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

[1, 1, 1, 2, 4, 1, 2, 2, 3, 4, 10, 2, 12, 2, 4, 2, 16, 3, 3, 4, 2, 10, 22, 2, 4, 12, 9, 3, 7, 4, 15, 4, 10, 16, 5, 6, 9, 3, 12, 4, 40, 2, 6, 10, 12, 22, 23, 2, 3, 4, 16, 12, 26, 9, 20, 3, 3, 7, 29, 4, 60, 15, 4, 8, 12, 10, 66, 16, 22, 5, 70, 6, 24, 9, 4, 6, 11, 12, 78, 4, 27, 40, 41, 3, 16, 6]

cp's OEIS Frontend

A054708 Number of powers of 7 modulo n.

Table of values

List of values

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

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

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