1,1
Table of n, a(n) for n=1..16.
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 * A050275 A033949 A175594
Adjacent sequences: A032452 A032453 A032454 * A032456 A032457 A032458
nonn,hard
N. J. A. Sloane.
approved
