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%I #12 Apr 17 2020 08:21:34
%S 2,3,4,5,6,11,15,16,19,23,32,48,112,127,147,187,203,240,320,335,432,
%T 471,515,775,887,1055,1131,1423
%N Numbers n such that x^n + x^8 + 1 is irreducible over GF(3).
%o (PARI) is(k) = polisirreducible(Mod(1, 3)*(x^k + x^8 + 2)); \\ _Jinyuan Wang_, Apr 15 2020
%Y Cf. A057478.
%K nonn,more
%O 1,1
%A _Robert G. Wilson v_, Dec 01 2000
%E a(26)-a(28) from _Jinyuan Wang_, Apr 15 2020
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