A238776 - cp's OEIS frontend

A238776 Primes p with prime(p) - p + 1 and prime(q) - q + 1 both prime, where q = prime(2*pi(p)+1) with pi(.) given by A000720.

n	a(n)
1	2
2	5
3	7
4	13
5	31
6	41
7	43
8	83
9	109
10	151
11	211
12	281
13	307
14	317
15	349
16	353
17	499
18	601
19	709
20	757
21	883
22	911
23	971
24	1447
25	1453
26	1483
27	1531
28	1801
29	2053
30	2281
31	2819
32	2833
33	3163
34	3329
35	3331
36	3881
37	3907
38	4051
39	4243
40	4447
41	4451
42	4703
43	4751
44	5483
45	5659
46	5701
47	5737
48	6011
49	6271
50	6311
51	6361
52	6379
53	6427
54	6571
55	6827
56	6841
57	6983
58	7159
59	7879
60	8209

[2, 5, 7, 13, 31, 41, 43, 83, 109, 151, 211, 281, 307, 317, 349, 353, 499, 601, 709, 757, 883, 911, 971, 1447, 1453, 1483, 1531, 1801, 2053, 2281, 2819, 2833, 3163, 3329, 3331, 3881, 3907, 4051, 4243, 4447, 4451, 4703, 4751, 5483, 5659, 5701, 5737, 6011, 6271, 6311, 6361, 6379, 6427, 6571, 6827, 6841, 6983, 7159, 7879, 8209]

cp's OEIS Frontend

A238776 Primes p with prime(p) - p + 1 and prime(q) - q + 1 both prime, where q = prime(2*pi(p)+1) with pi(.) given by A000720.

Table of values

List of values