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: A108979 A107071 A114414 this_sequence A050275 A033949 A062373

Adjacent sequences: A032452 A032453 A032454 this_sequence A032456 A032457 A032458

nonn,hard

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