A211453 - cp's OEIS frontend

A211453 (p-1)/x, where p = prime(n) and x = ord(8,p), the smallest positive integer such that 8^x == 1 mod p.

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

[0, 1, 1, 6, 1, 3, 2, 3, 2, 1, 6, 3, 2, 3, 2, 1, 1, 3, 3, 2, 24, 6, 1, 8, 6, 1, 6, 1, 9, 4, 18, 1, 2, 3, 1, 30, 3, 3, 2, 1, 1, 3, 2, 6, 1, 6, 3, 6, 1, 3, 8, 2, 30, 5, 16, 2, 1, 6, 3, 4, 3, 1, 9, 2, 6, 1, 33, 48, 1, 3, 4, 2, 6, 3, 3, 2, 1, 9, 2, 6, 1, 3, 10, 18]

cp's OEIS Frontend

A211453 (p-1)/x, where p = prime(n) and x = ord(8,p), the smallest positive integer such that 8^x == 1 mod p.

Table of values

List of values

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

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

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