A007733 - cp's OEIS frontend

A007733 Period of binary representation of 1/n. Also, multiplicative order of 2 modulo the odd part of n (= A000265(n)).

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	2
7	3
8	1
9	6
10	4
11	10
12	2
13	12
14	3
15	4
16	1
17	8
18	6
19	18
20	4
21	6
22	10
23	11
24	2
25	20
26	12
27	18
28	3
29	28
30	4
31	5
32	1
33	10
34	8
35	12
36	6
37	36
38	18
39	12
40	4
41	20
42	6
43	14
44	10
45	12
46	11
47	23
48	2
49	21
50	20
51	8
52	12
53	52
54	18
55	20
56	3
57	18
58	28
59	58
60	4
61	60
62	5
63	6
64	1
65	12
66	10
67	66
68	8
69	22
70	12
71	35
72	6
73	9
74	36
75	20
76	18
77	30
78	12
79	39
80	4
81	54
82	20
83	82
84	6

[1, 1, 2, 1, 4, 2, 3, 1, 6, 4, 10, 2, 12, 3, 4, 1, 8, 6, 18, 4, 6, 10, 11, 2, 20, 12, 18, 3, 28, 4, 5, 1, 10, 8, 12, 6, 36, 18, 12, 4, 20, 6, 14, 10, 12, 11, 23, 2, 21, 20, 8, 12, 52, 18, 20, 3, 18, 28, 58, 4, 60, 5, 6, 1, 12, 10, 66, 8, 22, 12, 35, 6, 9, 36, 20, 18, 30, 12, 39, 4, 54, 20, 82, 6]

cp's OEIS Frontend

A007733 Period of binary representation of 1/n. Also, multiplicative order of 2 modulo the odd part of n (= A000265(n)).

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	2
7	3
8	1
9	6
10	4
11	10
12	2
13	12
14	3
15	4
16	1
17	8
18	6
19	18
20	4
21	6
22	10
23	11
24	2
25	20
26	12
27	18
28	3
29	28
30	4
31	5
32	1
33	10
34	8
35	12
36	6
37	36
38	18
39	12
40	4
41	20
42	6
43	14
44	10
45	12
46	11
47	23
48	2
49	21
50	20
51	8
52	12
53	52
54	18
55	20
56	3
57	18
58	28
59	58
60	4
61	60
62	5
63	6
64	1
65	12
66	10
67	66
68	8
69	22
70	12
71	35
72	6
73	9
74	36
75	20
76	18
77	30
78	12
79	39
80	4
81	54
82	20
83	82
84	6

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	2
7	3
8	1
9	6
10	4
11	10
12	2
13	12
14	3
15	4
16	1
17	8
18	6
19	18
20	4
21	6
22	10
23	11
24	2
25	20
26	12
27	18
28	3
29	28
30	4
31	5
32	1
33	10
34	8
35	12
36	6
37	36
38	18
39	12
40	4
41	20
42	6
43	14
44	10
45	12
46	11
47	23
48	2
49	21
50	20
51	8
52	12
53	52
54	18
55	20
56	3
57	18
58	28
59	58
60	4
61	60
62	5
63	6
64	1
65	12
66	10
67	66
68	8
69	22
70	12
71	35
72	6
73	9
74	36
75	20
76	18
77	30
78	12
79	39
80	4
81	54
82	20
83	82
84	6

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	2
7	3
8	1
9	6
10	4
11	10
12	2
13	12
14	3
15	4
16	1
17	8
18	6
19	18
20	4
21	6
22	10
23	11
24	2
25	20
26	12
27	18
28	3
29	28
30	4
31	5
32	1
33	10
34	8
35	12
36	6
37	36
38	18
39	12
40	4
41	20
42	6
43	14
44	10
45	12
46	11
47	23
48	2
49	21
50	20
51	8
52	12
53	52
54	18
55	20
56	3
57	18
58	28
59	58
60	4
61	60
62	5
63	6
64	1
65	12
66	10
67	66
68	8
69	22
70	12
71	35
72	6
73	9
74	36
75	20
76	18
77	30
78	12
79	39
80	4
81	54
82	20
83	82
84	6