A176920 - cp's OEIS frontend

A176920 Period of decimal representation of 1/n^2.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	42
8	1
9	9
10	1
11	22
12	1
13	78
14	42
15	1
16	1
17	272
18	9
19	342
20	1
21	42
22	22
23	506
24	1
25	1
26	78
27	81
28	42
29	812
30	1
31	465
32	1
33	22
34	272
35	42
36	9
37	111
38	342
39	78
40	1
41	205
42	42
43	903
44	22
45	9
46	506
47	2162
48	1
49	2058
50	1
51	272
52	78
53	689
54	81
55	22
56	42
57	342
58	812
59	3422
60	1
61	3660
62	465
63	126
64	1
65	78
66	22
67	2211
68	272
69	506

[1, 1, 1, 1, 1, 1, 42, 1, 9, 1, 22, 1, 78, 42, 1, 1, 272, 9, 342, 1, 42, 22, 506, 1, 1, 78, 81, 42, 812, 1, 465, 1, 22, 272, 42, 9, 111, 342, 78, 1, 205, 42, 903, 22, 9, 506, 2162, 1, 2058, 1, 272, 78, 689, 81, 22, 42, 342, 812, 3422, 1, 3660, 465, 126, 1, 78, 22, 2211, 272, 506]

cp's OEIS Frontend

A176920 Period of decimal representation of 1/n^2.

Table of values

List of values