1,2

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: A129069 A125866 A027692 this_sequence A063189 A004472 A116025

Adjacent sequences: A032484 A032485 A032486 this_sequence A032488 A032489 A032490

nonn,hard

njas