1,2

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.

Cf. A032374, 49*2^n+1 is prime.

Adjacent sequences: A050547 A050548 A050549 this_sequence A050551 A050552 A050553

Sequence in context: A048974 A089193 A111083 this_sequence A079523 A039504 A097280

hard,nonn

njas, Dec 29 1999

More terms from Hugo Pfoertner (hugo(AT)pfoertner.org), Oct 13 2004

More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008