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

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

Offset

1,1

Links

Table of n, a(n) for n=1..11.

Mathematica

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

Crossrefs

Cf. A035325, A061119.

Sequence in context: A127998 A174132 A106918 * A181519 A265778 A257866

Adjacent sequences: A182354 A182355 A182356 * A182358 A182359 A182360

Keyword

nonn

Author

Alex Ratushnyak, Apr 26 2012

Extensions

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

Status

approved