A032460 Numbers n such that 167*2^n+1 is prime.

7, 103, 151, 247, 10183, 55447

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• hard

Links

• Ray Ballinger, Proth Search Page
• Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

Programs

PARI

is(n)=ispseudoprime(167*2^n+1) \\ Charles R Greathouse IV, May 22 2017