A182357 Primes of the form 2^n + n^2 + 2.

3, 5, 19, 59, 179, 8363, 131363, 134218459, 2147484611, 49039857307708443467467104868809893875799651909875303859, 3291009114642412084309938365114701009965471731267159726697262571

Offset: 1

Author

Alex Ratushnyak, Apr 26 2012

Keywords

• nonn

Crossrefs

Cf. A035325, A061119.

Programs

Mathematica

Select[Table[2^n+n^2+2,{n,1000}],PrimeQ] (* Harvey P. Dale, Jul 22 2012 *)

Extensions

More terms (a(10) and a(11)) from Harvey P. Dale, Jul 22 2012