1,1
Table of n, a(n) for n=1..21.
Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for k < 300
Ray Ballinger, Proth Search Page
Y. Gallot, Proth.exe: Windows Program for Finding Large Primes
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: A069164 A067762 A137311 * A136725 A023534 A226399
Adjacent sequences: A032404 A032405 A032406 * A032408 A032409 A032410
nonn
James R. Buddenhagen
Extended by Hugo Pfoertner, Jul 2 2003
approved