A350696 - cp's OEIS frontend

A350696 a(n) is the least nonnegative integer k such that 2^n + k is a safe prime.

n	a(n)
2	1
3	3
4	7
5	15
6	19
7	39
8	7
9	51
10	163
11	15
12	31
13	231
14	103
15	75
16	7
17	195
18	499
19	99
20	127
21	627
22	955
23	555
24	691
25	87
26	679
27	99
28	1411
29	351
30	799
31	135
32	91
33	771
34	79
35	951
36	667
37	975
38	1183
39	1311
40	667
41	315
42	955
43	759
44	2011
45	9315
46	4243
47	1575
48	907
49	1527
50	3943
51	2091
52	1927
53	75
54	1879

[1, 3, 7, 15, 19, 39, 7, 51, 163, 15, 31, 231, 103, 75, 7, 195, 499, 99, 127, 627, 955, 555, 691, 87, 679, 99, 1411, 351, 799, 135, 91, 771, 79, 951, 667, 975, 1183, 1311, 667, 315, 955, 759, 2011, 9315, 4243, 1575, 907, 1527, 3943, 2091, 1927, 75, 1879]

cp's OEIS Frontend

A350696 a(n) is the least nonnegative integer k such that 2^n + k is a safe prime.

Table of values

List of values