%I A050619
%S A050619 2,8,14,16,44,46,82,172,196,254,556,806,2828,4462,5558,8086,8216,9862,
%T A050619 12026,12842,26054,57044,85364,105098,127262,296822,310312,310622,
%U A050619 353384,374288,496604
%N A050619 Numbers n such that 155*2^n-1 is prime.
%H A050619 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 A050619 Wilfrid Keller, <a href="http://www.prothsearch.net/riesel2.html">List 
               of primes k.2^n - 1 for k < 300</a>
%H A050619 <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 A050619 Kosmaj, <a href="http://www.15k.org/riesellist.htm">Riesel list k<300</
               a>.
%Y A050619 Sequence in context: A077241 A066567 A002248 this_sequence A056715 A160556 
               A105610
%Y A050619 Adjacent sequences: A050616 A050617 A050618 this_sequence A050620 A050621 
               A050622
%K A050619 hard,nonn
%O A050619 1,1
%A A050619 N. J. A. Sloane (njas(AT)research.att.com), Dec 29 1999
%E A050619 More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008