A053450 - cp's OEIS frontend

A053450 Multiplicative order of 7 mod n, where gcd(n,7) = 1.

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

[1, 1, 1, 2, 4, 1, 2, 3, 4, 10, 2, 12, 4, 2, 16, 3, 3, 4, 10, 22, 2, 4, 12, 9, 7, 4, 15, 4, 10, 16, 6, 9, 3, 12, 4, 40, 6, 10, 12, 22, 23, 2, 4, 16, 12, 26, 9, 20, 3, 7, 29, 4, 60, 15, 8, 12, 10, 66, 16, 22, 70, 6, 24, 9, 4, 6, 12, 78, 4, 27, 40, 41, 16, 6, 7, 10, 88, 12, 22, 15, 23, 12, 4]

cp's OEIS Frontend

A053450 Multiplicative order of 7 mod n, where gcd(n,7) = 1.

Table of values

List of values

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

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

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