1,2
Table of n, a(n) for n=1..29.
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: A086086 A141772 A220454 * A002092 A174394 A057476
Adjacent sequences: A032493 A032494 A032495 * A032497 A032498 A032499
nonn,hard
N. J. A. Sloane.
approved
