1,1

Ray Ballinger, Proth Search Page

Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for k < 300

Wilfrid Keller, List of primes k.2^n - 1 for k < 300

Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

Sequence in context: A149231 A081565 A151611 this_sequence A109387 A018844 A007027

Adjacent sequences: A032492 A032493 A032494 this_sequence A032496 A032497 A032498

nonn,hard

N. J. A. Sloane (njas(AT)research.att.com).