A235806 - cp's OEIS frontend

A235806 Odd primes p with (p^2 - 1)/4 - prime((p - 1)/2) and (p^2 - 1)/4 - prime((p + 1)/2) both prime.

n	a(n)
1	7
2	11
3	19
4	29
5	41
6	43
7	53
8	59
9	89
10	109
11	139
12	179
13	181
14	229
15	379
16	401
17	421
18	431
19	541
20	587
21	659
22	811
23	991
24	1069
25	1103
26	1117
27	1231
28	1259
29	1459
30	1471
31	1619
32	1709
33	1831
34	1951
35	2179
36	2791
37	2797
38	2833
39	2851
40	3001
41	3391
42	3571
43	3617
44	3631
45	3637
46	3671
47	3793
48	3863
49	3929
50	3967

[7, 11, 19, 29, 41, 43, 53, 59, 89, 109, 139, 179, 181, 229, 379, 401, 421, 431, 541, 587, 659, 811, 991, 1069, 1103, 1117, 1231, 1259, 1459, 1471, 1619, 1709, 1831, 1951, 2179, 2791, 2797, 2833, 2851, 3001, 3391, 3571, 3617, 3631, 3637, 3671, 3793, 3863, 3929, 3967]

cp's OEIS Frontend

A235806 Odd primes p with (p^2 - 1)/4 - prime((p - 1)/2) and (p^2 - 1)/4 - prime((p + 1)/2) both prime.

Table of values

List of values