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

Sequence in context: A064397 A151971 A014659 this_sequence A022552 A082658 A022389

Adjacent sequences: A053351 A053352 A053353 this_sequence A053355 A053356 A053357

hard,nonn

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