A211241 - cp's OEIS frontend

A211241 Order of 5 mod n-th prime: least k such that prime(n) divides 5^k-1.

n	a(n)
1	1
2	2
3	0
4	6
5	5
6	4
7	16
8	9
9	22
10	14
11	3
12	36
13	20
14	42
15	46
16	52
17	29
18	30
19	22
20	5
21	72
22	39
23	82
24	44
25	96
26	25
27	102
28	106
29	27
30	112
31	42
32	65
33	136
34	69
35	37
36	75
37	156
38	54
39	166
40	172
41	89
42	15
43	19
44	192
45	196
46	33
47	35
48	222
49	226
50	114
51	232
52	119
53	40
54	25
55	256
56	262
57	67
58	27
59	276
60	140
61	282
62	292

[1, 2, 0, 6, 5, 4, 16, 9, 22, 14, 3, 36, 20, 42, 46, 52, 29, 30, 22, 5, 72, 39, 82, 44, 96, 25, 102, 106, 27, 112, 42, 65, 136, 69, 37, 75, 156, 54, 166, 172, 89, 15, 19, 192, 196, 33, 35, 222, 226, 114, 232, 119, 40, 25, 256, 262, 67, 27, 276, 140, 282, 292]

cp's OEIS Frontend

A211241 Order of 5 mod n-th prime: least k such that prime(n) divides 5^k-1.

Table of values

List of values

n	a(n)
1	1
2	2
3	0
4	6
5	5
6	4
7	16
8	9
9	22
10	14
11	3
12	36
13	20
14	42
15	46
16	52
17	29
18	30
19	22
20	5
21	72
22	39
23	82
24	44
25	96
26	25
27	102
28	106
29	27
30	112
31	42
32	65
33	136
34	69
35	37
36	75
37	156
38	54
39	166
40	172
41	89
42	15
43	19
44	192
45	196
46	33
47	35
48	222
49	226
50	114
51	232
52	119
53	40
54	25
55	256
56	262
57	67
58	27
59	276
60	140
61	282
62	292

n	a(n)
1	1
2	2
3	0
4	6
5	5
6	4
7	16
8	9
9	22
10	14
11	3
12	36
13	20
14	42
15	46
16	52
17	29
18	30
19	22
20	5
21	72
22	39
23	82
24	44
25	96
26	25
27	102
28	106
29	27
30	112
31	42
32	65
33	136
34	69
35	37
36	75
37	156
38	54
39	166
40	172
41	89
42	15
43	19
44	192
45	196
46	33
47	35
48	222
49	226
50	114
51	232
52	119
53	40
54	25
55	256
56	262
57	67
58	27
59	276
60	140
61	282
62	292

n	a(n)
1	1
2	2
3	0
4	6
5	5
6	4
7	16
8	9
9	22
10	14
11	3
12	36
13	20
14	42
15	46
16	52
17	29
18	30
19	22
20	5
21	72
22	39
23	82
24	44
25	96
26	25
27	102
28	106
29	27
30	112
31	42
32	65
33	136
34	69
35	37
36	75
37	156
38	54
39	166
40	172
41	89
42	15
43	19
44	192
45	196
46	33
47	35
48	222
49	226
50	114
51	232
52	119
53	40
54	25
55	256
56	262
57	67
58	27
59	276
60	140
61	282
62	292