A091513 - cp's OEIS frontend

A091513 Numbers k such that (2^k + 1)^2 - 2 = 4^k + 2^(k+1) - 1 is prime.

n	a(n)
1	0
2	1
3	2
4	3
5	5
6	8
7	9
8	12
9	15
10	17
11	18
12	21
13	23
14	27
15	32
16	51
17	65
18	87
19	180
20	242
21	467
22	491
23	501
24	507
25	555
26	591
27	680
28	800
29	1070
30	1650
31	2813
32	3281
33	4217
34	5153
35	6287
36	6365
37	10088
38	10367
39	37035
40	45873
41	69312
42	102435
43	106380
44	108888
45	110615
46	281621
47	369581
48	376050
49	442052
50	621443
51	661478

[0, 1, 2, 3, 5, 8, 9, 12, 15, 17, 18, 21, 23, 27, 32, 51, 65, 87, 180, 242, 467, 491, 501, 507, 555, 591, 680, 800, 1070, 1650, 2813, 3281, 4217, 5153, 6287, 6365, 10088, 10367, 37035, 45873, 69312, 102435, 106380, 108888, 110615, 281621, 369581, 376050, 442052, 621443, 661478]

cp's OEIS Frontend

A091513 Numbers k such that (2^k + 1)^2 - 2 = 4^k + 2^(k+1) - 1 is prime.

Table of values

List of values