%I #13 Jul 21 2023 12:54:11
%S 1,1,0,-1,-1,-1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
%T 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,-1,0,1,1,1,0,
%U -1,-1,0,0,0,0,0,0,0,0,0,0,0,0,0
%N Inverse of 1770th cyclotomic polynomial.
%C Periodic with period length 1770. - _Ray Chandler_, Apr 07 2017
%H Ray Chandler, <a href="/A015779/b015779.txt">Table of n, a(n) for n = 0..2000</a>
%H <a href="/index/Rec#order_464">Index entries for linear recurrences with constant coefficients</a>, order 464.
%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);
%t CoefficientList[Series[1/Cyclotomic[1770,x],{x,0,120}],x] (* _Harvey P. Dale_, Jul 21 2023 *)
%K sign
%O 0,1
%A _Simon Plouffe_