A240661 - cp's OEIS frontend

A240661 Least k such that 6^k == -1 (mod prime(n)), or 0 if no such k exists.

n	a(n)
1	0
2	0
3	0
4	1
5	5
6	6
7	8
8	0
9	0
10	7
11	3
12	2
13	20
14	0
15	0
16	13
17	29
18	30
19	0
20	0
21	18
22	39
23	41
24	44
25	6
26	5
27	51
28	53
29	54
30	56
31	63
32	65
33	68
34	0
35	0
36	75
37	78
38	0
39	0
40	0
41	89
42	30
43	0
44	48
45	7
46	99
47	0
48	111
49	113
50	114
51	116
52	0
53	10
54	125
55	128
56	0
57	67
58	135
59	138
60	28
61	0
62	73
63	0
64	0
65	26
66	79
67	0
68	28
69	173
70	58
71	16

[0, 0, 0, 1, 5, 6, 8, 0, 0, 7, 3, 2, 20, 0, 0, 13, 29, 30, 0, 0, 18, 39, 41, 44, 6, 5, 51, 53, 54, 56, 63, 65, 68, 0, 0, 75, 78, 0, 0, 0, 89, 30, 0, 48, 7, 99, 0, 111, 113, 114, 116, 0, 10, 125, 128, 0, 67, 135, 138, 28, 0, 73, 0, 0, 26, 79, 0, 28, 173, 58, 16]

cp's OEIS Frontend

A240661 Least k such that 6^k == -1 (mod prime(n)), or 0 if no such k exists.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	5
6	6
7	8
8	0
9	0
10	7
11	3
12	2
13	20
14	0
15	0
16	13
17	29
18	30
19	0
20	0
21	18
22	39
23	41
24	44
25	6
26	5
27	51
28	53
29	54
30	56
31	63
32	65
33	68
34	0
35	0
36	75
37	78
38	0
39	0
40	0
41	89
42	30
43	0
44	48
45	7
46	99
47	0
48	111
49	113
50	114
51	116
52	0
53	10
54	125
55	128
56	0
57	67
58	135
59	138
60	28
61	0
62	73
63	0
64	0
65	26
66	79
67	0
68	28
69	173
70	58
71	16

n	a(n)
1	0
2	0
3	0
4	1
5	5
6	6
7	8
8	0
9	0
10	7
11	3
12	2
13	20
14	0
15	0
16	13
17	29
18	30
19	0
20	0
21	18
22	39
23	41
24	44
25	6
26	5
27	51
28	53
29	54
30	56
31	63
32	65
33	68
34	0
35	0
36	75
37	78
38	0
39	0
40	0
41	89
42	30
43	0
44	48
45	7
46	99
47	0
48	111
49	113
50	114
51	116
52	0
53	10
54	125
55	128
56	0
57	67
58	135
59	138
60	28
61	0
62	73
63	0
64	0
65	26
66	79
67	0
68	28
69	173
70	58
71	16

n	a(n)
1	0
2	0
3	0
4	1
5	5
6	6
7	8
8	0
9	0
10	7
11	3
12	2
13	20
14	0
15	0
16	13
17	29
18	30
19	0
20	0
21	18
22	39
23	41
24	44
25	6
26	5
27	51
28	53
29	54
30	56
31	63
32	65
33	68
34	0
35	0
36	75
37	78
38	0
39	0
40	0
41	89
42	30
43	0
44	48
45	7
46	99
47	0
48	111
49	113
50	114
51	116
52	0
53	10
54	125
55	128
56	0
57	67
58	135
59	138
60	28
61	0
62	73
63	0
64	0
65	26
66	79
67	0
68	28
69	173
70	58
71	16