1,2

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: A053341 A086086 A141772 this_sequence A002092 A057476 A016041

Adjacent sequences: A032493 A032494 A032495 this_sequence A032497 A032498 A032499

nonn,hard

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