A058219 Numbers n such that x^n + x^13 + 2 is irreducible over GF(3).

4, 6, 12, 14, 28, 40, 54, 78, 86, 246, 390, 702, 854, 1096

Offset: 1

Author

Robert G. Wilson v, Nov 30 2000

Keywords

• nonn
• more

Crossrefs

Cf. A057483.

Programs

PARI

is(k) = polisirreducible(Mod(1, 3)*(x^k + x^13 + 2)); \\ Jinyuan Wang, Apr 15 2020

Extensions

a(14) from Jinyuan Wang, Apr 15 2020