%I #20 Jan 17 2019 10:08:17
%S 4,16,76,148,184,11008,147316,644044,1478344
%N Numbers n such that 29*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(29*2^n-1) \\ _Charles R Greathouse IV_, Jun 12 2017
%Y Cf. A032364 = 29*2^n+1 is prime.
%K hard,nonn
%O 1,1
%A _N. J. A. Sloane_, Dec 29 1999
%E One more term from _Hugo Pfoertner_, Aug 29 2004
%E 1478344 from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008