A211450 - cp's OEIS frontend

A211450 (p-1)/x, where p = prime(n) and x = ord(5,p), the smallest positive integer such that 5^x == 1 mod p.

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

[1, 1, 0, 1, 2, 3, 1, 2, 1, 2, 10, 1, 2, 1, 1, 1, 2, 2, 3, 14, 1, 2, 1, 2, 1, 4, 1, 1, 4, 1, 3, 2, 1, 2, 4, 2, 1, 3, 1, 1, 2, 12, 10, 1, 1, 6, 6, 1, 1, 2, 1, 2, 6, 10, 1, 1, 4, 10, 1, 2, 1, 1, 1, 2, 39, 1, 2, 3, 1, 2, 1, 2, 3, 1, 18, 1, 4, 1, 16, 24, 2, 2, 2, 1]

cp's OEIS Frontend

A211450 (p-1)/x, where p = prime(n) and x = ord(5,p), the smallest positive integer such that 5^x == 1 mod p.

Table of values

List of values

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

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

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