1,1
Table of n, a(n) for n=1..7.
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: A195314 A124784 A126383 * A042654 A042652 A042656
Adjacent sequences: A032505 A032506 A032507 * A032509 A032510 A032511
hard,nonn
N. J. A. Sloane.
approved
