1,2

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: A043548 A054974 A072481 this_sequence A156222 A002886 A028724

Adjacent sequences: A032468 A032469 A032470 this_sequence A032472 A032473 A032474

nonn,hard

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