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Numbers n such that x^n + x^2 + 2 is irreducible over GF(3).
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%I #10 Apr 17 2020 07:49:37

%S 1,3,4,7,8,11,12,15,19,28,35,60,67,80,108,111,119,151,183,331,631,728,

%T 892,1276

%N Numbers n such that x^n + x^2 + 2 is irreducible over GF(3).

%o (PARI) is(k) = polisirreducible(Mod(1, 3)*(x^k + x*x + 1)); \\ _Jinyuan Wang_, Apr 15 2020

%Y Cf. A057460.

%K nonn,more

%O 1,2

%A _Robert G. Wilson v_, Dec 01 2000

%E a(24) from _Jinyuan Wang_, Apr 15 2020