1,1

Table of n, a(n) for n=1..71.

a = {}; c = 3^x + 2; Do[If[PrimeQ[c], 0, AppendTo[a, x]], {x, 0, 100}]; a

(MAGMA) [n: n in [0..100]| not IsPrime(3^n+2)] // Vincenzo Librandi, Jan 28 2011

Cf. A057735, A051783.

Sequence in context: A089192 A279195 A232710 * A180061 A196029 A096820

Adjacent sequences: A132826 A132827 A132828 * A132830 A132831 A132832

nonn

Artur Jasinski, Sep 03 2007

approved