A020508 Cyclotomic polynomials at x=-9.

-9, -10, -8, 73, 82, 5905, 91, 478297, 6562, 530713, 7381, 3138105961, 6481, 254186582833, 597871, 47763361, 43046722, 1667718169966657, 532171, 135085171767299209, 42521761, 313380653041, 3922632451

Offset: 0

Author

Simon Plouffe

Keywords

• sign

Links

• Index entries for cyclotomic polynomials, values at X

Programs

Maple

with(numtheory,cyclotomic); f := n->subs(x=-9,cyclotomic(n,x)); seq(f(i),i=0..64);

Mathematica

Join[{-9}, Table[Cyclotomic[n, -9], {n, 1, 22}]] (* Jean-François Alcover, Sep 09 2017 *)