A218256 - cp's OEIS frontend

A218256 a(n) = |{m : multiplicative order of n mod m = 7}|.

n	a(n)
1	0
2	1
3	2
4	6
5	3
6	2
7	12
8	10
9	12
10	9
11	12
12	6
13	6
14	2
15	8
16	60
17	5
18	6
19	18
20	14
21	42
22	8
23	12
24	14
25	56
26	3
27	12
28	12
29	12
30	14
31	8
32	14
33	18
34	12
35	12
36	44
37	27
38	2
39	12
40	4
41	24
42	6
43	40
44	14
45	42
46	6
47	12
48	6
49	150
50	5
51	18
52	60
53	18
54	14
55	24
56	4
57	40
58	12
59	60
60	2
61	12
62	6
63	12
64	138
65	49
66	4
67	24
68	2
69	18
70	12
71	40
72	2

[0, 1, 2, 6, 3, 2, 12, 10, 12, 9, 12, 6, 6, 2, 8, 60, 5, 6, 18, 14, 42, 8, 12, 14, 56, 3, 12, 12, 12, 14, 8, 14, 18, 12, 12, 44, 27, 2, 12, 4, 24, 6, 40, 14, 42, 6, 12, 6, 150, 5, 18, 60, 18, 14, 24, 4, 40, 12, 60, 2, 12, 6, 12, 138, 49, 4, 24, 2, 18, 12, 40, 2]

cp's OEIS Frontend

A218256 a(n) = |{m : multiplicative order of n mod m = 7}|.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	6
5	3
6	2
7	12
8	10
9	12
10	9
11	12
12	6
13	6
14	2
15	8
16	60
17	5
18	6
19	18
20	14
21	42
22	8
23	12
24	14
25	56
26	3
27	12
28	12
29	12
30	14
31	8
32	14
33	18
34	12
35	12
36	44
37	27
38	2
39	12
40	4
41	24
42	6
43	40
44	14
45	42
46	6
47	12
48	6
49	150
50	5
51	18
52	60
53	18
54	14
55	24
56	4
57	40
58	12
59	60
60	2
61	12
62	6
63	12
64	138
65	49
66	4
67	24
68	2
69	18
70	12
71	40
72	2

n	a(n)
1	0
2	1
3	2
4	6
5	3
6	2
7	12
8	10
9	12
10	9
11	12
12	6
13	6
14	2
15	8
16	60
17	5
18	6
19	18
20	14
21	42
22	8
23	12
24	14
25	56
26	3
27	12
28	12
29	12
30	14
31	8
32	14
33	18
34	12
35	12
36	44
37	27
38	2
39	12
40	4
41	24
42	6
43	40
44	14
45	42
46	6
47	12
48	6
49	150
50	5
51	18
52	60
53	18
54	14
55	24
56	4
57	40
58	12
59	60
60	2
61	12
62	6
63	12
64	138
65	49
66	4
67	24
68	2
69	18
70	12
71	40
72	2

n	a(n)
1	0
2	1
3	2
4	6
5	3
6	2
7	12
8	10
9	12
10	9
11	12
12	6
13	6
14	2
15	8
16	60
17	5
18	6
19	18
20	14
21	42
22	8
23	12
24	14
25	56
26	3
27	12
28	12
29	12
30	14
31	8
32	14
33	18
34	12
35	12
36	44
37	27
38	2
39	12
40	4
41	24
42	6
43	40
44	14
45	42
46	6
47	12
48	6
49	150
50	5
51	18
52	60
53	18
54	14
55	24
56	4
57	40
58	12
59	60
60	2
61	12
62	6
63	12
64	138
65	49
66	4
67	24
68	2
69	18
70	12
71	40
72	2