A058242 Numbers n such that x^n + x^7 + 2 is irreducible over GF(3).

2, 16, 18, 26, 42, 52, 114, 210, 258, 352, 378, 690

Offset

1,1

Links

Table of n, a(n) for n=1..12.

Prog

(PARI) is(k) = polisirreducible(Mod(1, 3)*(x^k + x^7 + 2)); \\ Jinyuan Wang, Apr 15 2020

Crossrefs

Sequence in context: A282408 A282838 A180923 * A101075 A022370 A161802

Adjacent sequences: A058239 A058240 A058241 * A058243 A058244 A058245

Keyword

nonn,more

Author

Robert G. Wilson v, Dec 01 2000

Status

approved