A129727 - cp's OEIS frontend

A129727 Primes p for which the period length of 1/p is a semiprime.

n	a(n)
1	7
2	13
3	23
4	31
5	43
6	47
7	59
8	67
9	71
10	101
11	103
12	139
13	167
14	179
15	191
16	263
17	277
18	283
19	293
20	311
21	383
22	431
23	439
24	443
25	503
26	547
27	557
28	599
29	607
30	613
31	653
32	683
33	787
34	809
35	827
36	853
37	859
38	863
39	887
40	947
41	983
42	997
43	1013
44	1019
45	1039
46	1163
47	1213
48	1237
49	1321
50	1367
51	1399
52	1423

[7, 13, 23, 31, 43, 47, 59, 67, 71, 101, 103, 139, 167, 179, 191, 263, 277, 283, 293, 311, 383, 431, 439, 443, 503, 547, 557, 599, 607, 613, 653, 683, 787, 809, 827, 853, 859, 863, 887, 947, 983, 997, 1013, 1019, 1039, 1163, 1213, 1237, 1321, 1367, 1399, 1423]

cp's OEIS Frontend

A129727 Primes p for which the period length of 1/p is a semiprime.

Table of values

List of values