A253027 - cp's OEIS frontend

A253027 Smallest odd number k>1 such that k*2^A000043(n)+1 is a prime number.

n	a(n)
1	3
2	5
3	3
4	5
5	5
6	9
7	11
8	35
9	53
10	51
11	105
12	5
13	233
14	347
15	125
16	369
17	2063
18	89
19	4715
20	1145
21	885
22	4839
23	2711
24	30611
25	5859
26	2543
27	21509
28	114071
29	309
30	60191
31	524489
32	33305
33	306363
34	987537
35	509765

[3, 5, 3, 5, 5, 9, 11, 35, 53, 51, 105, 5, 233, 347, 125, 369, 2063, 89, 4715, 1145, 885, 4839, 2711, 30611, 5859, 2543, 21509, 114071, 309, 60191, 524489, 33305, 306363, 987537, 509765]

cp's OEIS Frontend

A253027 Smallest odd number k>1 such that k*2^A000043(n)+1 is a prime number.

Table of values

List of values