1,1

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

Kosmaj, Riesel list k<300.

Sequence in context: A044276 A044657 A160437 this_sequence A020152 A124953 A126412

Adjacent sequences: A050586 A050587 A050588 this_sequence A050590 A050591 A050592

hard,nonn

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

More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008