A058235 Numbers n such that x^n + x^2 + 2 is irreducible over GF(3).

1, 3, 4, 7, 8, 11, 12, 15, 19, 28, 35, 60, 67, 80, 108, 111, 119, 151, 183, 331, 631, 728, 892, 1276

Offset

1,2

Links

Table of n, a(n) for n=1..24.

Prog

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

Crossrefs

Cf. A057460.

Sequence in context: A028970 A309388 A188259 * A107819 A300950 A368083

Adjacent sequences: A058232 A058233 A058234 * A058236 A058237 A058238

Keyword

nonn,more

Author

Robert G. Wilson v, Dec 01 2000

Extensions

a(24) from Jinyuan Wang, Apr 15 2020

Status

approved