A255367 - cp's OEIS frontend

A255367 a(n) = r^(p-2) mod p, where p is the n-th prime and r is the least positive primitive root of p.

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	6
8	10
9	14
10	15
11	21
12	19
13	7
14	29
15	19
16	27
17	30
18	31
19	34
20	61
21	44
22	53
23	42
24	30
25	39
26	51
27	62
28	54
29	91
30	38
31	85
32	66
33	46
34	70
35	75
36	126
37	63
38	82
39	67
40	87
41	90
42	91
43	181
44	116
45	99
46	133
47	106
48	149
49	114
50	191
51	78
52	205
53	69
54	42
55	86
56	158
57	135
58	226
59	111
60	94
61	189
62	147
63	123

[1, 2, 3, 5, 6, 7, 6, 10, 14, 15, 21, 19, 7, 29, 19, 27, 30, 31, 34, 61, 44, 53, 42, 30, 39, 51, 62, 54, 91, 38, 85, 66, 46, 70, 75, 126, 63, 82, 67, 87, 90, 91, 181, 116, 99, 133, 106, 149, 114, 191, 78, 205, 69, 42, 86, 158, 135, 226, 111, 94, 189, 147, 123]

cp's OEIS Frontend

A255367 a(n) = r^(p-2) mod p, where p is the n-th prime and r is the least positive primitive root of p.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	6
8	10
9	14
10	15
11	21
12	19
13	7
14	29
15	19
16	27
17	30
18	31
19	34
20	61
21	44
22	53
23	42
24	30
25	39
26	51
27	62
28	54
29	91
30	38
31	85
32	66
33	46
34	70
35	75
36	126
37	63
38	82
39	67
40	87
41	90
42	91
43	181
44	116
45	99
46	133
47	106
48	149
49	114
50	191
51	78
52	205
53	69
54	42
55	86
56	158
57	135
58	226
59	111
60	94
61	189
62	147
63	123

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	6
8	10
9	14
10	15
11	21
12	19
13	7
14	29
15	19
16	27
17	30
18	31
19	34
20	61
21	44
22	53
23	42
24	30
25	39
26	51
27	62
28	54
29	91
30	38
31	85
32	66
33	46
34	70
35	75
36	126
37	63
38	82
39	67
40	87
41	90
42	91
43	181
44	116
45	99
46	133
47	106
48	149
49	114
50	191
51	78
52	205
53	69
54	42
55	86
56	158
57	135
58	226
59	111
60	94
61	189
62	147
63	123

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	6
8	10
9	14
10	15
11	21
12	19
13	7
14	29
15	19
16	27
17	30
18	31
19	34
20	61
21	44
22	53
23	42
24	30
25	39
26	51
27	62
28	54
29	91
30	38
31	85
32	66
33	46
34	70
35	75
36	126
37	63
38	82
39	67
40	87
41	90
42	91
43	181
44	116
45	99
46	133
47	106
48	149
49	114
50	191
51	78
52	205
53	69
54	42
55	86
56	158
57	135
58	226
59	111
60	94
61	189
62	147
63	123