%I #12 Sep 08 2022 08:46:17
%S 317,557,65837,4294967597,
%T 115792089237316195423570985008687907853269984665640564039457584007913129640237
%N Primes of the form 2^(2^n) + 301.
%C Terms given correspond to n = 2, 3, 4, 5 and 8.
%C Next term >= 2^2^23 + 301. - _Charles R Greathouse IV_, Jun 07 2016
%t Select[Table[2^(2^n) + 301, {n, 0, 16}], PrimeQ]
%o (Magma) [a: n in [0..16] | IsPrime(a) where a is 2^(2^n)+301];
%o (PARI) for(n=1,20, if(ispseudoprime(t=2^2^n+301), print1(t", "))) \\ _Charles R Greathouse IV_, Jun 07 2016
%Y Cf. similar sequences listed in A273547.
%K nonn
%O 1,1
%A _Vincenzo Librandi_, Jun 02 2016