A226477 - cp's OEIS frontend

A226477 Table (read by rows) of the natural numbers (in ascending order) whose reciprocals have only periodic decimals of length k.

n	a(n)
1	1
2	3
3	9
4	11
5	33
6	99
7	27
8	37
9	111
10	333
11	999
12	101
13	303
14	909
15	1111
16	3333
17	9999
18	41
19	123
20	271
21	369
22	813
23	2439
24	11111
25	33333
26	99999
27	7
28	13
29	21
30	39
31	63
32	77
33	91
34	117
35	143
36	189
37	231
38	259
39	273
40	297
41	351
42	407
43	429
44	481
45	693
46	777
47	819
48	1001
49	1221
50	1287
51	1443
52	2079
53	2331
54	2457
55	2849
56	3003
57	3367
58	3663
59	3861
60	4329
61	5291
62	6993
63	8547
64	9009
65	10101
66	10989
67	12987
68	15873
69	25641
70	27027
71	30303
72	37037
73	47619
74	76923
75	90909
76	111111
77	142857
78	333333
79	999999

[1, 3, 9, 11, 33, 99, 27, 37, 111, 333, 999, 101, 303, 909, 1111, 3333, 9999, 41, 123, 271, 369, 813, 2439, 11111, 33333, 99999, 7, 13, 21, 39, 63, 77, 91, 117, 143, 189, 231, 259, 273, 297, 351, 407, 429, 481, 693, 777, 819, 1001, 1221, 1287, 1443, 2079, 2331, 2457, 2849, 3003, 3367, 3663, 3861, 4329, 5291, 6993, 8547, 9009, 10101, 10989, 12987, 15873, 25641, 27027, 30303, 37037, 47619, 76923, 90909, 111111, 142857, 333333, 999999]

cp's OEIS Frontend

A226477 Table (read by rows) of the natural numbers (in ascending order) whose reciprocals have only periodic decimals of length k.

Table of values

List of values