A086338 Numbers n such that the trinomial x^n + x + 1 is irreducible over GF(11).

0, 1, 2, 39, 159, 172

Offset

1,3

Comments

Next term >= 4400 - Michael Somos, Mar 12 2007

Links

Table of n, a(n) for n=1..6.

Prog

(PARI) for(n=0, 10^6, if(polisirreducible(Mod(1, 11)*(x^n+x+1)), print1(n, ", "))); /* Joerg Arndt, Apr 07 2013 */

Crossrefs

Sequence in context: A227904 A175760 A080920 * A329552 A042683 A319520

Adjacent sequences: A086335 A086336 A086337 * A086339 A086340 A086341

Keyword

hard,nonn,more

Author

Robert G. Wilson v, Sep 01 2003

Extensions

a(1) and a(2) from Eric M. Schmidt, Feb 10 2014

Status

approved