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: A069827 A059617 A122146 this_sequence A024411 A139805 A141823

Adjacent sequences: A032479 A032480 A032481 this_sequence A032483 A032484 A032485

nonn,hard

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