A058243 Numbers n such that x^n + x^8 + 1 is irreducible over GF(3).

2, 3, 4, 5, 6, 11, 15, 16, 19, 23, 32, 48, 112, 127, 147, 187, 203, 240, 320, 335, 432, 471, 515, 775, 887, 1055, 1131, 1423

Offset: 1

Author

Robert G. Wilson v, Dec 01 2000

Keywords

• nonn
• more

Crossrefs

Cf. A057478.

Programs

PARI

is(k) = polisirreducible(Mod(1, 3)*(x^k + x^8 + 2)); \\ Jinyuan Wang, Apr 15 2020

Extensions

a(26)-a(28) from Jinyuan Wang, Apr 15 2020