A170820 - cp's OEIS frontend

A170820 Let p = n-th prime; a(n) = (p-1)/(order of (p+3)/2 mod p).

n	a(n)
3	2
4	1
5	1
6	3
7	1
8	6
9	2
10	4
11	1
12	1
13	1
14	2
15	2
16	4
17	1
18	5
19	2
20	10
21	2
22	3
23	1
24	1
25	12
26	4
27	1
28	1
29	1
30	1
31	1
32	1
33	1
34	2
35	2
36	1
37	1
38	2
39	2
40	2
41	1
42	5
43	2
44	2
45	4
46	3
47	42
48	1
49	1
50	1
51	1
52	2
53	8
54	1
55	1
56	2
57	4
58	1
59	1
60	7
61	2
62	4
63	6
64	2
65	2
66	4
67	30
68	2
69	1
70	1
71	1
72	2
73	1
74	3
75	2
76	2
77	2
78	1
79	25
80	4
81	11
82	1
83	10
84	2
85	3
86	1
87	1
88	8
89	10
90	33
91	1
92	2
93	3
94	1
95	6
96	2
97	4
98	1
99	2
100	1
101	2
102	2
103	1

[2, 1, 1, 3, 1, 6, 2, 4, 1, 1, 1, 2, 2, 4, 1, 5, 2, 10, 2, 3, 1, 1, 12, 4, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 2, 1, 5, 2, 2, 4, 3, 42, 1, 1, 1, 1, 2, 8, 1, 1, 2, 4, 1, 1, 7, 2, 4, 6, 2, 2, 4, 30, 2, 1, 1, 1, 2, 1, 3, 2, 2, 2, 1, 25, 4, 11, 1, 10, 2, 3, 1, 1, 8, 10, 33, 1, 2, 3, 1, 6, 2, 4, 1, 2, 1, 2, 2, 1]

cp's OEIS Frontend

A170820 Let p = n-th prime; a(n) = (p-1)/(order of (p+3)/2 mod p).

Table of values

List of values

n	a(n)
3	2
4	1
5	1
6	3
7	1
8	6
9	2
10	4
11	1
12	1
13	1
14	2
15	2
16	4
17	1
18	5
19	2
20	10
21	2
22	3
23	1
24	1
25	12
26	4
27	1
28	1
29	1
30	1
31	1
32	1
33	1
34	2
35	2
36	1
37	1
38	2
39	2
40	2
41	1
42	5
43	2
44	2
45	4
46	3
47	42
48	1
49	1
50	1
51	1
52	2
53	8
54	1
55	1
56	2
57	4
58	1
59	1
60	7
61	2
62	4
63	6
64	2
65	2
66	4
67	30
68	2
69	1
70	1
71	1
72	2
73	1
74	3
75	2
76	2
77	2
78	1
79	25
80	4
81	11
82	1
83	10
84	2
85	3
86	1
87	1
88	8
89	10
90	33
91	1
92	2
93	3
94	1
95	6
96	2
97	4
98	1
99	2
100	1
101	2
102	2
103	1

n	a(n)
3	2
4	1
5	1
6	3
7	1
8	6
9	2
10	4
11	1
12	1
13	1
14	2
15	2
16	4
17	1
18	5
19	2
20	10
21	2
22	3
23	1
24	1
25	12
26	4
27	1
28	1
29	1
30	1
31	1
32	1
33	1
34	2
35	2
36	1
37	1
38	2
39	2
40	2
41	1
42	5
43	2
44	2
45	4
46	3
47	42
48	1
49	1
50	1
51	1
52	2
53	8
54	1
55	1
56	2
57	4
58	1
59	1
60	7
61	2
62	4
63	6
64	2
65	2
66	4
67	30
68	2
69	1
70	1
71	1
72	2
73	1
74	3
75	2
76	2
77	2
78	1
79	25
80	4
81	11
82	1
83	10
84	2
85	3
86	1
87	1
88	8
89	10
90	33
91	1
92	2
93	3
94	1
95	6
96	2
97	4
98	1
99	2
100	1
101	2
102	2
103	1

n	a(n)
3	2
4	1
5	1
6	3
7	1
8	6
9	2
10	4
11	1
12	1
13	1
14	2
15	2
16	4
17	1
18	5
19	2
20	10
21	2
22	3
23	1
24	1
25	12
26	4
27	1
28	1
29	1
30	1
31	1
32	1
33	1
34	2
35	2
36	1
37	1
38	2
39	2
40	2
41	1
42	5
43	2
44	2
45	4
46	3
47	42
48	1
49	1
50	1
51	1
52	2
53	8
54	1
55	1
56	2
57	4
58	1
59	1
60	7
61	2
62	4
63	6
64	2
65	2
66	4
67	30
68	2
69	1
70	1
71	1
72	2
73	1
74	3
75	2
76	2
77	2
78	1
79	25
80	4
81	11
82	1
83	10
84	2
85	3
86	1
87	1
88	8
89	10
90	33
91	1
92	2
93	3
94	1
95	6
96	2
97	4
98	1
99	2
100	1
101	2
102	2
103	1