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: A070974 A114621 A073619 this_sequence A102844 A097543 A088034

Adjacent sequences: A032485 A032486 A032487 this_sequence A032489 A032490 A032491

nonn,hard

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