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: A007815 A109286 A009466 this_sequence A029988 A050573 A092438

Adjacent sequences: A032476 A032477 A032478 this_sequence A032480 A032481 A032482

nonn,hard

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