A385222 - cp's OEIS frontend

A385222 a(n) is the multiplicative order of -10 modulo prime(n); a(1) = a(3) = 0 for completion.

n	a(n)
1	0
2	2
3	0
4	3
5	1
6	3
7	16
8	9
9	11
10	28
11	30
12	6
13	10
14	42
15	23
16	26
17	29
18	60
19	66
20	70
21	8
22	26
23	82
24	44
25	96
26	4
27	17
28	106
29	108
30	112
31	21
32	65
33	8
34	23
35	148
36	150
37	39
38	162
39	83
40	86
41	89
42	180
43	190
44	192
45	49
46	198
47	15
48	111
49	226
50	228
51	232
52	14
53	15
54	25
55	256
56	131
57	268
58	10
59	138
60	28

[0, 2, 0, 3, 1, 3, 16, 9, 11, 28, 30, 6, 10, 42, 23, 26, 29, 60, 66, 70, 8, 26, 82, 44, 96, 4, 17, 106, 108, 112, 21, 65, 8, 23, 148, 150, 39, 162, 83, 86, 89, 180, 190, 192, 49, 198, 15, 111, 226, 228, 232, 14, 15, 25, 256, 131, 268, 10, 138, 28]

cp's OEIS Frontend

A385222 a(n) is the multiplicative order of -10 modulo prime(n); a(1) = a(3) = 0 for completion.

Table of values

List of values

n	a(n)
1	0
2	2
3	0
4	3
5	1
6	3
7	16
8	9
9	11
10	28
11	30
12	6
13	10
14	42
15	23
16	26
17	29
18	60
19	66
20	70
21	8
22	26
23	82
24	44
25	96
26	4
27	17
28	106
29	108
30	112
31	21
32	65
33	8
34	23
35	148
36	150
37	39
38	162
39	83
40	86
41	89
42	180
43	190
44	192
45	49
46	198
47	15
48	111
49	226
50	228
51	232
52	14
53	15
54	25
55	256
56	131
57	268
58	10
59	138
60	28

n	a(n)
1	0
2	2
3	0
4	3
5	1
6	3
7	16
8	9
9	11
10	28
11	30
12	6
13	10
14	42
15	23
16	26
17	29
18	60
19	66
20	70
21	8
22	26
23	82
24	44
25	96
26	4
27	17
28	106
29	108
30	112
31	21
32	65
33	8
34	23
35	148
36	150
37	39
38	162
39	83
40	86
41	89
42	180
43	190
44	192
45	49
46	198
47	15
48	111
49	226
50	228
51	232
52	14
53	15
54	25
55	256
56	131
57	268
58	10
59	138
60	28

n	a(n)
1	0
2	2
3	0
4	3
5	1
6	3
7	16
8	9
9	11
10	28
11	30
12	6
13	10
14	42
15	23
16	26
17	29
18	60
19	66
20	70
21	8
22	26
23	82
24	44
25	96
26	4
27	17
28	106
29	108
30	112
31	21
32	65
33	8
34	23
35	148
36	150
37	39
38	162
39	83
40	86
41	89
42	180
43	190
44	192
45	49
46	198
47	15
48	111
49	226
50	228
51	232
52	14
53	15
54	25
55	256
56	131
57	268
58	10
59	138
60	28