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: A077349 A164564 A104298 this_sequence A133744 A031112 A167054

Adjacent sequences: A032472 A032473 A032474 this_sequence A032476 A032477 A032478

nonn,hard

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