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Primes of the form 2^n + n^2 + 2.
0

%I #7 Jul 22 2012 15:24:24

%S 3,5,19,59,179,8363,131363,134218459,2147484611,

%T 49039857307708443467467104868809893875799651909875303859,

%U 3291009114642412084309938365114701009965471731267159726697262571

%N Primes of the form 2^n + n^2 + 2.

%t Select[Table[2^n+n^2+2,{n,1000}],PrimeQ] (* _Harvey P. Dale_, Jul 22 2012 *)

%Y Cf. A035325, A061119.

%K nonn

%O 1,1

%A _Alex Ratushnyak_, Apr 26 2012

%E More terms (a(10) and a(11)) from _Harvey P. Dale_, Jul 22 2012