A385166 - cp's OEIS frontend

A385166 Let p = A002145(n) be the n-th prime == 3 (mod 4); a(n) = (p+1) * ord(5,p) / ord(2+-i,p) = (p+1) * ord(5,p) / A385165(n). Here ord(a,m) is the multiplicative order of a modulo m.

n	a(n)
1	1
2	1
3	2
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	3
14	1
15	1
16	1
17	2
18	5
19	1
20	1
21	1
22	1
23	3
24	2
25	2
26	1
27	1
28	2
29	2
30	1
31	1
32	1
33	11
34	1
35	4
36	3
37	10
38	1
39	1
40	1
41	3
42	1
43	2
44	1
45	1
46	1
47	6
48	1
49	6
50	1
51	3
52	1
53	1
54	1
55	4
56	3
57	24
58	1
59	1
60	1
61	1
62	1
63	3
64	1
65	4
66	2
67	1
68	1
69	1
70	1
71	1
72	2
73	1
74	1
75	8
76	1
77	27
78	1
79	1
80	1
81	1
82	20
83	3
84	1
85	4
86	1
87	1

[1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 2, 5, 1, 1, 1, 1, 3, 2, 2, 1, 1, 2, 2, 1, 1, 1, 11, 1, 4, 3, 10, 1, 1, 1, 3, 1, 2, 1, 1, 1, 6, 1, 6, 1, 3, 1, 1, 1, 4, 3, 24, 1, 1, 1, 1, 1, 3, 1, 4, 2, 1, 1, 1, 1, 1, 2, 1, 1, 8, 1, 27, 1, 1, 1, 1, 20, 3, 1, 4, 1, 1]

cp's OEIS Frontend

A385166 Let p = A002145(n) be the n-th prime == 3 (mod 4); a(n) = (p+1) * ord(5,p) / ord(2+-i,p) = (p+1) * ord(5,p) / A385165(n). Here ord(a,m) is the multiplicative order of a modulo m.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	3
14	1
15	1
16	1
17	2
18	5
19	1
20	1
21	1
22	1
23	3
24	2
25	2
26	1
27	1
28	2
29	2
30	1
31	1
32	1
33	11
34	1
35	4
36	3
37	10
38	1
39	1
40	1
41	3
42	1
43	2
44	1
45	1
46	1
47	6
48	1
49	6
50	1
51	3
52	1
53	1
54	1
55	4
56	3
57	24
58	1
59	1
60	1
61	1
62	1
63	3
64	1
65	4
66	2
67	1
68	1
69	1
70	1
71	1
72	2
73	1
74	1
75	8
76	1
77	27
78	1
79	1
80	1
81	1
82	20
83	3
84	1
85	4
86	1
87	1

n	a(n)
1	1
2	1
3	2
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	3
14	1
15	1
16	1
17	2
18	5
19	1
20	1
21	1
22	1
23	3
24	2
25	2
26	1
27	1
28	2
29	2
30	1
31	1
32	1
33	11
34	1
35	4
36	3
37	10
38	1
39	1
40	1
41	3
42	1
43	2
44	1
45	1
46	1
47	6
48	1
49	6
50	1
51	3
52	1
53	1
54	1
55	4
56	3
57	24
58	1
59	1
60	1
61	1
62	1
63	3
64	1
65	4
66	2
67	1
68	1
69	1
70	1
71	1
72	2
73	1
74	1
75	8
76	1
77	27
78	1
79	1
80	1
81	1
82	20
83	3
84	1
85	4
86	1
87	1

n	a(n)
1	1
2	1
3	2
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	3
14	1
15	1
16	1
17	2
18	5
19	1
20	1
21	1
22	1
23	3
24	2
25	2
26	1
27	1
28	2
29	2
30	1
31	1
32	1
33	11
34	1
35	4
36	3
37	10
38	1
39	1
40	1
41	3
42	1
43	2
44	1
45	1
46	1
47	6
48	1
49	6
50	1
51	3
52	1
53	1
54	1
55	4
56	3
57	24
58	1
59	1
60	1
61	1
62	1
63	3
64	1
65	4
66	2
67	1
68	1
69	1
70	1
71	1
72	2
73	1
74	1
75	8
76	1
77	27
78	1
79	1
80	1
81	1
82	20
83	3
84	1
85	4
86	1
87	1