A058234 - OEIS

%I #12 Apr 17 2020 07:49:50

%S 4,16,52,76,236,376,380,1064,1460,4600,5204

%N Numbers n such that x^n + x^9 + 2 is irreducible over GF(3).

%C All terms are even, as 2 is a root if n is odd. - _Robert Israel_, Dec 31 2015

%p select(n  -> Irreduc(x^n + x^9 + 2) mod 3, 2*[$1..1000]); # _Robert Israel_, Dec 31 2015

%Y Cf. A057479.

%K nonn,more

%O 1,1

%A _Robert G. Wilson v_, Dec 01 2000

%E a(10) and a(11) from _Robert Israel_, Dec 31 2015