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845494 is also in the sequence. - Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008
Table of n, a(n) for n=1..35.
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
Kosmaj, Riesel list k<300.
Sequence in context: A141640 A015898 A231504 * A022099 A042113 A041166
Adjacent sequences: A050548 A050549 A050550 * A050552 A050553 A050554
N. J. A. Sloane, Dec 29 1999
More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008