Now is the time of year when we ask all users of the OEIS for their annual support.
Click here to donate
to the OEIS Foundation using PayPal or in other ways.
Table of n, a(n) for n=1..27.
Ray Ballinger, Proth Search Page
Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for k < 300
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: A220501 A053688 A036302 * A133690 A097057 A160746
Adjacent sequences: A032374 A032375 A032376 * A032378 A032379 A032380
James R. Buddenhagen
More terms from Hugo Pfoertner, Jun 20 2003
More terms (from http://www.prothsearch.net/riesel.html), Joerg Arndt, Apr 07 2013