Smallest b > 1 such that b^(2^n)+1 is a Sophie Germain prime.
A358621
Smallest b > 1 such that b^(2^n)+1 is a Sophie Germain prime.
Terms
- a(0) =2a(1) =2a(2) =160a(3) =140a(4) =2800a(5) =8660a(6) =62150a(7) =4085530a(8) =922820a(9) =4629490a(10) =5802710a(11) =1146175000a(12) =90894850
External references
- oeis: A358621