A235727 - cp's OEIS frontend

A235727 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	23
5	41
6	73
7	83
8	109
9	197
10	211
11	229
12	271
13	379
14	461
15	541
16	631
17	641
18	659
19	859
20	991
21	1031
22	1049
23	1051
24	1093
25	1103
26	1217
27	1429
28	1451
29	1879
30	2063
31	2131
32	2287
33	2341
34	2411
35	3019
36	3257
37	3461
38	3659
39	3673
40	3691
41	3709
42	3917
43	3967
44	4409
45	4463
46	4519
47	5279
48	5303
49	5471
50	5477

[7, 11, 19, 23, 41, 73, 83, 109, 197, 211, 229, 271, 379, 461, 541, 631, 641, 659, 859, 991, 1031, 1049, 1051, 1093, 1103, 1217, 1429, 1451, 1879, 2063, 2131, 2287, 2341, 2411, 3019, 3257, 3461, 3659, 3673, 3691, 3709, 3917, 3967, 4409, 4463, 4519, 5279, 5303, 5471, 5477]

cp's OEIS Frontend

A235727 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