A058240 Numbers n such that x^n + x^6 + 2 is irreducible over GF(3).

1, 5, 8, 13, 16, 25, 37, 80, 88, 112, 128, 296, 400, 601, 640, 656, 800, 2029

Offset

1,2

Links

Table of n, a(n) for n=1..18.

Prog

(PARI) is(k) = polisirreducible(Mod(1, 3)*(x^k + x^6 + 2)); \\ Jinyuan Wang, Apr 15 2020

Crossrefs

Cf. A057476.

Sequence in context: A314423 A314424 A314425 * A097268 A226696 A285973

Adjacent sequences: A058237 A058238 A058239 * A058241 A058242 A058243

Keyword

nonn,more

Author

Robert G. Wilson v, Dec 01 2000

Extensions

a(18) from Jinyuan Wang, Apr 15 2020

Status

approved