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: A138457 A076282 A121790 this_sequence A135624 A089397 A089701

Adjacent sequences: A032488 A032489 A032490 this_sequence A032492 A032493 A032494

nonn,hard

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