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: A139058 A107226 A029611 this_sequence A029634 A023180 A029474

Adjacent sequences: A053354 A053355 A053356 this_sequence A053358 A053359 A053360

hard,nonn

N. J. A. Sloane (njas(AT)research.att.com), Dec 29 1999