%I #11 Apr 07 2017 20:32:08

%S 1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,

%T -1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,

%U -1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1

%N Inverse of 2108th cyclotomic polynomial.

%C Periodic with period length 2108. - _Ray Chandler_, Apr 07 2017

%H Ray Chandler, <a href="/A016117/b016117.txt">Table of n, a(n) for n = 0..3000</a>

%H <a href="/index/Rec#order_960">Index entries for linear recurrences with constant coefficients</a>, order 960.

%H <a href="/index/Pol#poly_cyclo_inv">Index to sequences related to inverse of cyclotomic polynomials</a>

%p with(numtheory,cyclotomic); c := n->series(1/cyclotomic(n,x),x,80);

%K sign

%O 0,1

%A _Simon Plouffe_