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%I A050573 #24 Jan 17 2019 10:08:17
%S A050573 2,6,26,32,66,128,170,288,320,470,1278,1296,1316,1536,1608,13230,
%T A050573 15438,31268,42198,46688,71636,140840,259076,271590,790508
%N A050573 Numbers k such that 95*2^k-1 is prime.
%H A050573 Ray Ballinger and Wilfrid Keller, <a href="http://www.prothsearch.com/riesel1.html">List of primes k.2^n + 1 for k < 300</a>
%H A050573 Wilfrid Keller, <a href="http://www.prothsearch.com/riesel2.html">List of primes k.2^n - 1 for k < 300</a>
%H A050573 Kosmaj, <a href="http://www.15k.org/riesellist.html">Riesel list k<300</a>.
%H A050573 <a href="/index/Pri#riesel">Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime</a>
%t A050573 Select[Range[1000], PrimeQ[95*2^# - 1] & ] (* _Robert Price_, Dec 23 2018 *)
%o A050573 (PARI) is(n)=ispseudoprime(95*2^n-1) \\ _Charles R Greathouse IV_, Jun 13 2017
%K A050573 hard,nonn,more
%O A050573 1,1
%A A050573 _N. J. A. Sloane_, Dec 29 1999
%E A050573 More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008
%E A050573 a(25) from the Wilfrid Keller link by _Robert Price_, Dec 23 2018

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