A002371 - cp's OEIS frontend

A002371 Period of decimal expansion of 1/(n-th prime) (0 by convention for the primes 2 and 5).

n	a(n)
1	0
2	1
3	0
4	6
5	2
6	6
7	16
8	18
9	22
10	28
11	15
12	3
13	5
14	21
15	46
16	13
17	58
18	60
19	33
20	35
21	8
22	13
23	41
24	44
25	96
26	4
27	34
28	53
29	108
30	112
31	42
32	130
33	8
34	46
35	148
36	75
37	78
38	81
39	166
40	43
41	178
42	180
43	95
44	192
45	98
46	99
47	30
48	222
49	113
50	228
51	232
52	7
53	30
54	50
55	256
56	262
57	268
58	5
59	69
60	28
61	141
62	146
63	153
64	155
65	312
66	79
67	110

[0, 1, 0, 6, 2, 6, 16, 18, 22, 28, 15, 3, 5, 21, 46, 13, 58, 60, 33, 35, 8, 13, 41, 44, 96, 4, 34, 53, 108, 112, 42, 130, 8, 46, 148, 75, 78, 81, 166, 43, 178, 180, 95, 192, 98, 99, 30, 222, 113, 228, 232, 7, 30, 50, 256, 262, 268, 5, 69, 28, 141, 146, 153, 155, 312, 79, 110]

cp's OEIS Frontend

A002371 Period of decimal expansion of 1/(n-th prime) (0 by convention for the primes 2 and 5).

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	6
5	2
6	6
7	16
8	18
9	22
10	28
11	15
12	3
13	5
14	21
15	46
16	13
17	58
18	60
19	33
20	35
21	8
22	13
23	41
24	44
25	96
26	4
27	34
28	53
29	108
30	112
31	42
32	130
33	8
34	46
35	148
36	75
37	78
38	81
39	166
40	43
41	178
42	180
43	95
44	192
45	98
46	99
47	30
48	222
49	113
50	228
51	232
52	7
53	30
54	50
55	256
56	262
57	268
58	5
59	69
60	28
61	141
62	146
63	153
64	155
65	312
66	79
67	110

n	a(n)
1	0
2	1
3	0
4	6
5	2
6	6
7	16
8	18
9	22
10	28
11	15
12	3
13	5
14	21
15	46
16	13
17	58
18	60
19	33
20	35
21	8
22	13
23	41
24	44
25	96
26	4
27	34
28	53
29	108
30	112
31	42
32	130
33	8
34	46
35	148
36	75
37	78
38	81
39	166
40	43
41	178
42	180
43	95
44	192
45	98
46	99
47	30
48	222
49	113
50	228
51	232
52	7
53	30
54	50
55	256
56	262
57	268
58	5
59	69
60	28
61	141
62	146
63	153
64	155
65	312
66	79
67	110

n	a(n)
1	0
2	1
3	0
4	6
5	2
6	6
7	16
8	18
9	22
10	28
11	15
12	3
13	5
14	21
15	46
16	13
17	58
18	60
19	33
20	35
21	8
22	13
23	41
24	44
25	96
26	4
27	34
28	53
29	108
30	112
31	42
32	130
33	8
34	46
35	148
36	75
37	78
38	81
39	166
40	43
41	178
42	180
43	95
44	192
45	98
46	99
47	30
48	222
49	113
50	228
51	232
52	7
53	30
54	50
55	256
56	262
57	268
58	5
59	69
60	28
61	141
62	146
63	153
64	155
65	312
66	79
67	110