|
%I #18 Jan 17 2019 10:08:17
%S 2,3,8,11,14,16,28,32,39,66,68,91,98,116,126,164,191,298,323,443,714,
%T 758,759,1059,1168,1511,1792,2116,3148,3836,4084,4622,6164,9268,10062,
%U 14623,15799,23634,44198,53971,55244,81519,99411,112554,114906,123774,132203,155998,218694,323432,340463
%N Numbers n such that 63*2^n-1 is prime.
%H 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 Wilfrid Keller, <a href="http://www.prothsearch.com/riesel2.html">List of primes k.2^n - 1 for k < 300</a>
%H <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>
%H Kosmaj, <a href="http://www.15k.org/riesellist.html">Riesel list k<300</a>.
%o (PARI) is(n)=ispseudoprime(63*2^n-1) \\ _Charles R Greathouse IV_, Jun 13 2017
%K hard,nonn
%O 1,1
%A _N. J. A. Sloane_, Dec 29 1999
%E More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008
|
