A186640 - cp's OEIS frontend

A186640 Primes p such that the decimal expansion of 1/p has a periodic part of even length, but are not cyclic numbers (A001913).

n	a(n)
1	11
2	13
3	73
4	89
5	101
6	103
7	127
8	137
9	139
10	157
11	197
12	211
13	241
14	251
15	281
16	293
17	331
18	349
19	353
20	373
21	401
22	409
23	421
24	449
25	457
26	463
27	521
28	557
29	569
30	601
31	607
32	617
33	641
34	653
35	661
36	673
37	677
38	691
39	739
40	761
41	769
42	809
43	829
44	859
45	877
46	881
47	929
48	967
49	997
50	1009
51	1049
52	1061

[11, 13, 73, 89, 101, 103, 127, 137, 139, 157, 197, 211, 241, 251, 281, 293, 331, 349, 353, 373, 401, 409, 421, 449, 457, 463, 521, 557, 569, 601, 607, 617, 641, 653, 661, 673, 677, 691, 739, 761, 769, 809, 829, 859, 877, 881, 929, 967, 997, 1009, 1049, 1061]

cp's OEIS Frontend

A186640 Primes p such that the decimal expansion of 1/p has a periodic part of even length, but are not cyclic numbers (A001913).

Table of values

List of values