A156658 - cp's OEIS frontend

A156658 Primes p such that also 2*p+1 or (p-1)/2 is prime.

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	23
7	29
8	41
9	47
10	53
11	59
12	83
13	89
14	107
15	113
16	131
17	167
18	173
19	179
20	191
21	227
22	233
23	239
24	251
25	263
26	281
27	293
28	347
29	359
30	383
31	419
32	431
33	443
34	467
35	479
36	491
37	503
38	509
39	563
40	587
41	593
42	641
43	653
44	659
45	683
46	719
47	743
48	761
49	809
50	839
51	863
52	887
53	911
54	953
55	983
56	1013

[2, 3, 5, 7, 11, 23, 29, 41, 47, 53, 59, 83, 89, 107, 113, 131, 167, 173, 179, 191, 227, 233, 239, 251, 263, 281, 293, 347, 359, 383, 419, 431, 443, 467, 479, 491, 503, 509, 563, 587, 593, 641, 653, 659, 683, 719, 743, 761, 809, 839, 863, 887, 911, 953, 983, 1013]

cp's OEIS Frontend

A156658 Primes p such that also 2*p+1 or (p-1)/2 is prime.

Table of values

List of values