A057739 - OEIS

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A057739

Primes of the form 3^p + 2, where p is prime.

%I #7 Apr 07 2019 16:41:27

%S 11,29,

%T 2088595827392656793085408064780643444068898148936888424953199350269

%N Primes of the form 3^p + 2, where p is prime.

%C No additional terms up through prime(1000). - _Harvey P. Dale_, Apr 07 2019

%e a(2) = 3^3 + 2 = 29, a(3) = 3^139 + 2

%t Select[Table[3^p+2,{p,Prime[Range[140]]}],PrimeQ] (* _Harvey P. Dale_, Apr 07 2019 *)

%Y Cf. A057738.

%K nonn,bref

%O 1,1

%A _G. L. Honaker, Jr._, Oct 29 2000