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: A081410 A027677 A103787 this_sequence A084422 A089821 A097942

Adjacent sequences: A032470 A032471 A032472 this_sequence A032474 A032475 A032476

nonn,hard

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