# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a058217 Showing 1-1 of 1 %I A058217 #15 Mar 18 2023 18:34:48 %S A058217 2,8,18,104,178,188,330,370,440,824,1090,1184,3524,5336 %N A058217 Numbers n such that x^n + x^11 + 2 is irreducible over GF(3). %C A058217 a(15) > 10000. - _Max Alekseyev_, Mar 18 2023 %o A058217 (PARI) is_A058217(k) = polisirreducible(Mod(1, 3)*(x^k + x^11 + 2)); \\ _Jinyuan Wang_, Apr 15 2020 %K A058217 nonn,more %O A058217 1,1 %A A058217 _Robert G. Wilson v_, Nov 30 2000 %E A058217 a(13)-a(14) from _Max Alekseyev_, Mar 17 2023 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE