A002256 - cp's OEIS frontend

A002256 Numbers k such that 9*2^k + 1 is prime.

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	11
7	14
8	17
9	33
10	42
11	43
12	63
13	65
14	67
15	81
16	134
17	162
18	206
19	211
20	366
21	663
22	782
23	1305
24	1411
25	1494
26	2297
27	2826
28	3230
29	3354
30	3417
31	3690
32	4842
33	5802
34	6937
35	7967
36	9431
37	13903
38	22603
39	24422
40	39186
41	43963
42	47003
43	49902
44	67943
45	114854
46	127003
47	145247

[1, 2, 3, 6, 7, 11, 14, 17, 33, 42, 43, 63, 65, 67, 81, 134, 162, 206, 211, 366, 663, 782, 1305, 1411, 1494, 2297, 2826, 3230, 3354, 3417, 3690, 4842, 5802, 6937, 7967, 9431, 13903, 22603, 24422, 39186, 43963, 47003, 49902, 67943, 114854, 127003, 145247]

cp's OEIS Frontend

A002256 Numbers k such that 9*2^k + 1 is prime.

Table of values

List of values