%I #14 Sep 09 2017 03:55:49
%S -9,-10,-8,73,82,5905,91,478297,6562,530713,7381,3138105961,6481,
%T 254186582833,597871,47763361,43046722,1667718169966657,532171,
%U 135085171767299209,42521761,313380653041,3922632451
%N Cyclotomic polynomials at x=-9.
%H <a href="/index/Cy#CyclotomicPolynomialsValuesAtX">Index entries for cyclotomic polynomials, values at X</a>
%p with(numtheory,cyclotomic); f := n->subs(x=-9,cyclotomic(n,x)); seq(f(i),i=0..64);
%t Join[{-9}, Table[Cyclotomic[n, -9], {n, 1, 22}]] (* _Jean-François Alcover_, Sep 09 2017 *)
%K sign
%O 0,1
%A _Simon Plouffe_