%I #10 Apr 17 2020 08:22:10
%S 4,6,8,20,22,32,46,56,104,200,238,284,764,958,1820
%N Numbers n such that x^n + x^5 + 2 is irreducible over GF(3).
%o (PARI) is(k) = polisirreducible(Mod(1, 3)*(x^k + x^5 + 2)); \\ _Jinyuan Wang_, Apr 15 2020
%K nonn,more
%O 1,1
%A _Robert G. Wilson v_, Dec 01 2000
%E a(15) from _Jinyuan Wang_, Apr 15 2020