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: A105863 A052904 A106692 this_sequence A018809 A117866 A094060

Adjacent sequences: A032467 A032468 A032469 this_sequence A032471 A032472 A032473

nonn,hard

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