A211452 - cp's OEIS frontend

A211452 (p-1)/x, where p = prime(n) and x = ord(7,p), the smallest positive integer such that 7^x == 1 mod p.

n	a(n)
1	1
2	2
3	1
4	0
5	1
6	1
7	1
8	6
9	1
10	4
11	2
12	4
13	1
14	7
15	2
16	2
17	2
18	1
19	1
20	1
21	3
22	1
23	2
24	1
25	1
26	1
27	2
28	1
29	4
30	8
31	1
32	2
33	2
34	2
35	2
36	1
37	3
38	1
39	2
40	1
41	1
42	15
43	19
44	8
45	2
46	2
47	1
48	6
49	2
50	1
51	2
52	1
53	1
54	2
55	1
56	1
57	1
58	2
59	2
60	14
61	2
62	1
63	2
64	10
65	3
66	2
67	3
68	6
69	1
70	1
71	11
72	1
73	6
74	6
75	1
76	2
77	4
78	1
79	2
80	17
81	22
82	6
83	1
84	1
85	6

[1, 2, 1, 0, 1, 1, 1, 6, 1, 4, 2, 4, 1, 7, 2, 2, 2, 1, 1, 1, 3, 1, 2, 1, 1, 1, 2, 1, 4, 8, 1, 2, 2, 2, 2, 1, 3, 1, 2, 1, 1, 15, 19, 8, 2, 2, 1, 6, 2, 1, 2, 1, 1, 2, 1, 1, 1, 2, 2, 14, 2, 1, 2, 10, 3, 2, 3, 6, 1, 1, 11, 1, 6, 6, 1, 2, 4, 1, 2, 17, 22, 6, 1, 1, 6]

cp's OEIS Frontend

A211452 (p-1)/x, where p = prime(n) and x = ord(7,p), the smallest positive integer such that 7^x == 1 mod p.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	0
5	1
6	1
7	1
8	6
9	1
10	4
11	2
12	4
13	1
14	7
15	2
16	2
17	2
18	1
19	1
20	1
21	3
22	1
23	2
24	1
25	1
26	1
27	2
28	1
29	4
30	8
31	1
32	2
33	2
34	2
35	2
36	1
37	3
38	1
39	2
40	1
41	1
42	15
43	19
44	8
45	2
46	2
47	1
48	6
49	2
50	1
51	2
52	1
53	1
54	2
55	1
56	1
57	1
58	2
59	2
60	14
61	2
62	1
63	2
64	10
65	3
66	2
67	3
68	6
69	1
70	1
71	11
72	1
73	6
74	6
75	1
76	2
77	4
78	1
79	2
80	17
81	22
82	6
83	1
84	1
85	6

n	a(n)
1	1
2	2
3	1
4	0
5	1
6	1
7	1
8	6
9	1
10	4
11	2
12	4
13	1
14	7
15	2
16	2
17	2
18	1
19	1
20	1
21	3
22	1
23	2
24	1
25	1
26	1
27	2
28	1
29	4
30	8
31	1
32	2
33	2
34	2
35	2
36	1
37	3
38	1
39	2
40	1
41	1
42	15
43	19
44	8
45	2
46	2
47	1
48	6
49	2
50	1
51	2
52	1
53	1
54	2
55	1
56	1
57	1
58	2
59	2
60	14
61	2
62	1
63	2
64	10
65	3
66	2
67	3
68	6
69	1
70	1
71	11
72	1
73	6
74	6
75	1
76	2
77	4
78	1
79	2
80	17
81	22
82	6
83	1
84	1
85	6

n	a(n)
1	1
2	2
3	1
4	0
5	1
6	1
7	1
8	6
9	1
10	4
11	2
12	4
13	1
14	7
15	2
16	2
17	2
18	1
19	1
20	1
21	3
22	1
23	2
24	1
25	1
26	1
27	2
28	1
29	4
30	8
31	1
32	2
33	2
34	2
35	2
36	1
37	3
38	1
39	2
40	1
41	1
42	15
43	19
44	8
45	2
46	2
47	1
48	6
49	2
50	1
51	2
52	1
53	1
54	2
55	1
56	1
57	1
58	2
59	2
60	14
61	2
62	1
63	2
64	10
65	3
66	2
67	3
68	6
69	1
70	1
71	11
72	1
73	6
74	6
75	1
76	2
77	4
78	1
79	2
80	17
81	22
82	6
83	1
84	1
85	6