%I A050831
%S A050831 1,4,5,11,24,25,41,67,185,215,235,277,445,465,647,844,1420,1505,2385,
%T A050831 6451,7475,9549,10800,11585,16079,47795,51839,89285,106481,186331,
%U A050831 201429,293235,338477,442189,482581,611020
%N A050831 Numbers n such that 159*2^n-1 is prime.
%H A050831 Ray Ballinger and Wilfrid Keller, <a href="http://www.prothsearch.net/
               riesel.html">List of primes k.2^n + 1 for k < 300</a>
%H A050831 Wilfrid Keller, <a href="http://www.prothsearch.net/riesel2.html">List 
               of primes k.2^n - 1 for k < 300</a>
%H A050831 <a href="Sindx_Pri.html#riesel">Index entries for sequences of n such 
               that k*2^n-1 (or k*2^n+1) is prime</a>
%H A050831 Kosmaj, <a href="http://www.15k.org/riesellist.htm">Riesel list k<300</
               a>.
%Y A050831 Sequence in context: A000286 A036539 A000769 this_sequence A056799 A109503 
               A067371
%Y A050831 Adjacent sequences: A050828 A050829 A050830 this_sequence A050832 A050833 
               A050834
%K A050831 hard,nonn
%O A050831 1,2
%A A050831 N. J. A. Sloane (njas(AT)research.att.com), Dec 29 1999
%E A050831 More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008