A247101 - cp's OEIS frontend

A247101 Primes p such that 2(p^2-1) - 1 and 2(p^2-1) + 1 are also primes.

n	a(n)
1	2
2	11
3	41
4	59
5	181
6	379
7	571
8	659
9	1429
10	1439
11	1721
12	1879
13	2029
14	2239
15	2351
16	2381
17	2579
18	2671
19	3209
20	3581
21	4159
22	4229
23	4271
24	4969
25	4999
26	6299
27	6451
28	6551
29	7349
30	7841
31	10391
32	10399
33	11059
34	11551
35	12841
36	13049
37	13159
38	13619
39	14071
40	15329
41	15581
42	15889
43	16811
44	17231
45	17749
46	18719
47	20219

[2, 11, 41, 59, 181, 379, 571, 659, 1429, 1439, 1721, 1879, 2029, 2239, 2351, 2381, 2579, 2671, 3209, 3581, 4159, 4229, 4271, 4969, 4999, 6299, 6451, 6551, 7349, 7841, 10391, 10399, 11059, 11551, 12841, 13049, 13159, 13619, 14071, 15329, 15581, 15889, 16811, 17231, 17749, 18719, 20219]

cp's OEIS Frontend

A247101 Primes p such that 2(p^2-1) - 1 and 2(p^2-1) + 1 are also primes.

Table of values

List of values

cp's OEIS Frontend

A247101 Primes p such that 2*(p^2-1) - 1 and 2*(p^2-1) + 1 are also primes.

Table of values

List of values

A247101 Primes p such that 2(p^2-1) - 1 and 2(p^2-1) + 1 are also primes.