A194603 - cp's OEIS frontend

A194603 Smallest prime either of the form n2^k - 1 or n2^k + 1, k >= 0, or 0 if no such prime exists.

n	a(n)
1	2
2	3
3	2
4	3
5	11
6	5
7	13
8	7
9	17
10	11
11	23
12	11
13	53
14	13
15	29
16	17
17	67
18	17
19	37
20	19
21	41
22	23
23	47
24	23
25	101
26	53
27	53
28	29
29	59
30	29
31	61
32	31
33	67
34	67
35	71
36	37
37	73
38	37
39	79
40	41
41	83
42	41
43	173
44	43
45	89
46	47
47	751
48	47
49	97
50	101
51	101
52	53
53	107
54	53
55	109
56	113
57	113
58	59
59	1889
60	59
61	487
62	61
63	127

[2, 3, 2, 3, 11, 5, 13, 7, 17, 11, 23, 11, 53, 13, 29, 17, 67, 17, 37, 19, 41, 23, 47, 23, 101, 53, 53, 29, 59, 29, 61, 31, 67, 67, 71, 37, 73, 37, 79, 41, 83, 41, 173, 43, 89, 47, 751, 47, 97, 101, 101, 53, 107, 53, 109, 113, 113, 59, 1889, 59, 487, 61, 127]

cp's OEIS Frontend

A194603 Smallest prime either of the form n2^k - 1 or n2^k + 1, k >= 0, or 0 if no such prime exists.

Table of values

List of values

cp's OEIS Frontend

A194603 Smallest prime either of the form n*2^k - 1 or n*2^k + 1, k >= 0, or 0 if no such prime exists.

Table of values

List of values

A194603 Smallest prime either of the form n2^k - 1 or n2^k + 1, k >= 0, or 0 if no such prime exists.