A249446 - cp's OEIS frontend

A249446 Numbers n such that 2(n^2-1) - 1 and 2(n^2-1) + 1 are primes.

n	a(n)
1	2
2	4
3	10
4	11
5	34
6	41
7	46
8	49
9	56
10	59
11	76
12	85
13	95
14	125
15	160
16	181
17	185
18	196
19	200
20	206
21	220
22	245
23	266
24	280
25	295
26	301
27	304
28	346
29	365
30	379
31	386
32	391
33	440
34	470
35	505
36	556
37	571
38	595
39	659
40	679
41	689
42	731
43	784
44	815
45	820
46	854
47	869
48	896
49	944
50	959
51	994
52	1001
53	1004
54	1015
55	1025
56	1154
57	1250
58	1345
59	1376

[2, 4, 10, 11, 34, 41, 46, 49, 56, 59, 76, 85, 95, 125, 160, 181, 185, 196, 200, 206, 220, 245, 266, 280, 295, 301, 304, 346, 365, 379, 386, 391, 440, 470, 505, 556, 571, 595, 659, 679, 689, 731, 784, 815, 820, 854, 869, 896, 944, 959, 994, 1001, 1004, 1015, 1025, 1154, 1250, 1345, 1376]

cp's OEIS Frontend

A249446 Numbers n such that 2(n^2-1) - 1 and 2(n^2-1) + 1 are primes.

Table of values

List of values

cp's OEIS Frontend

A249446 Numbers n such that 2*(n^2-1) - 1 and 2*(n^2-1) + 1 are primes.

Table of values

List of values

A249446 Numbers n such that 2(n^2-1) - 1 and 2(n^2-1) + 1 are primes.