%I #10 Apr 17 2020 07:49:10
%S 1,2,3,5,8,9,13,16,24,29,56,120,160,216,493,1093
%N Numbers n such that x^n + x^4 + 2 is irreducible over GF(3).
%o (PARI) is(k) = polisirreducible(Mod(1, 3)*(x^k + x^4 + 2)); \\ _Jinyuan Wang_, Apr 15 2020
%Y Cf. A057463.
%K nonn,more
%O 1,2
%A _Robert G. Wilson v_, Dec 01 2000
%E a(16) from _Jinyuan Wang_, Apr 15 2020