A112828 - cp's OEIS frontend

A112828 a(n) is the decimal period of the fractional part of BernoulliB(2n).

n	a(n)
0	0
1	1
2	1
3	6
4	1
5	2
6	6
7	1
8	16
9	18
10	2
11	22
12	6
13	1
14	28
15	30
16	16
17	1
18	18
19	1
20	10
21	42
22	22
23	46
24	48
25	2
26	13
27	18
28	28
29	58
30	60
31	1
32	16
33	66
34	1
35	70
36	72
37	1
38	1
39	78
40	80
41	41
42	84
43	1
44	44
45	90
46	46
47	1
48	96
49	1
50	4
51	102
52	13
53	53
54	108
55	22
56	112
57	6
58	58
59	1
60	60
61	1
62	1
63	126
64	16
65	130
66	66
67	1
68	8
69	138
70	140
71	1
72	144
73	1
74	148

[0, 1, 1, 6, 1, 2, 6, 1, 16, 18, 2, 22, 6, 1, 28, 30, 16, 1, 18, 1, 10, 42, 22, 46, 48, 2, 13, 18, 28, 58, 60, 1, 16, 66, 1, 70, 72, 1, 1, 78, 80, 41, 84, 1, 44, 90, 46, 1, 96, 1, 4, 102, 13, 53, 108, 22, 112, 6, 58, 1, 60, 1, 1, 126, 16, 130, 66, 1, 8, 138, 140, 1, 144, 1, 148]

cp's OEIS Frontend

A112828 a(n) is the decimal period of the fractional part of BernoulliB(2n).

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	6
4	1
5	2
6	6
7	1
8	16
9	18
10	2
11	22
12	6
13	1
14	28
15	30
16	16
17	1
18	18
19	1
20	10
21	42
22	22
23	46
24	48
25	2
26	13
27	18
28	28
29	58
30	60
31	1
32	16
33	66
34	1
35	70
36	72
37	1
38	1
39	78
40	80
41	41
42	84
43	1
44	44
45	90
46	46
47	1
48	96
49	1
50	4
51	102
52	13
53	53
54	108
55	22
56	112
57	6
58	58
59	1
60	60
61	1
62	1
63	126
64	16
65	130
66	66
67	1
68	8
69	138
70	140
71	1
72	144
73	1
74	148

n	a(n)
0	0
1	1
2	1
3	6
4	1
5	2
6	6
7	1
8	16
9	18
10	2
11	22
12	6
13	1
14	28
15	30
16	16
17	1
18	18
19	1
20	10
21	42
22	22
23	46
24	48
25	2
26	13
27	18
28	28
29	58
30	60
31	1
32	16
33	66
34	1
35	70
36	72
37	1
38	1
39	78
40	80
41	41
42	84
43	1
44	44
45	90
46	46
47	1
48	96
49	1
50	4
51	102
52	13
53	53
54	108
55	22
56	112
57	6
58	58
59	1
60	60
61	1
62	1
63	126
64	16
65	130
66	66
67	1
68	8
69	138
70	140
71	1
72	144
73	1
74	148

n	a(n)
0	0
1	1
2	1
3	6
4	1
5	2
6	6
7	1
8	16
9	18
10	2
11	22
12	6
13	1
14	28
15	30
16	16
17	1
18	18
19	1
20	10
21	42
22	22
23	46
24	48
25	2
26	13
27	18
28	28
29	58
30	60
31	1
32	16
33	66
34	1
35	70
36	72
37	1
38	1
39	78
40	80
41	41
42	84
43	1
44	44
45	90
46	46
47	1
48	96
49	1
50	4
51	102
52	13
53	53
54	108
55	22
56	112
57	6
58	58
59	1
60	60
61	1
62	1
63	126
64	16
65	130
66	66
67	1
68	8
69	138
70	140
71	1
72	144
73	1
74	148