%I #12 Sep 08 2022 08:46:17
%S 11,6569,16677181699666603
%N Primes of the form 3^n + n.
%C Terms given correspond to n in A057900.
%C a(4) has 731 digits.
%t Select[Table[3^n + n, {n, 1, 1000}], PrimeQ]
%o (Magma) [a: n in [0..100] | IsPrime(a) where a is 3^n+n];
%Y Cf. A057900, A104743, A129962, A129963.
%K nonn,bref,more
%O 1,1
%A _Vincenzo Librandi_, Jun 06 2016
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