A085832 - cp's OEIS frontend

A085832 Smallest prime p such that both (p-1)/2^(2n-1) and 2^(2n-1)*p+1 are primes.

n	a(n)
1	5
2	17
3	1889
4	21377
5	183809
6	83969
7	40961
8	79003649
9	245235713
10	5767169
11	1004535809
12	897581057
13	41238396929
14	13555990529
15	2357400174593
16	3438121320449
17	12360915877889
18	188188287041537
19	286010462175233

[5, 17, 1889, 21377, 183809, 83969, 40961, 79003649, 245235713, 5767169, 1004535809, 897581057, 41238396929, 13555990529, 2357400174593, 3438121320449, 12360915877889, 188188287041537, 286010462175233]

cp's OEIS Frontend

A085832 Smallest prime p such that both (p-1)/2^(2n-1) and 2^(2n-1)*p+1 are primes.

Table of values

List of values