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%I A016155 #11 Apr 07 2017 20:40:53
%S A016155 1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,
%T A016155 -1,1,0,0,0,0,0,0,0,0,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,
%U A016155 -1,1,-1,1,-1,1,-1,1,-1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
%N A016155 Inverse of 2146th cyclotomic polynomial.
%C A016155 Periodic with period length 2146. - _Ray Chandler_, Apr 07 2017
%H A016155 Ray Chandler, <a href="/A016155/b016155.txt">Table of n, a(n) for n = 0..3000</a>
%H A016155 <a href="/index/Rec#order_1008">Index entries for linear recurrences with constant coefficients</a>, order 1008.
%H A016155 <a href="/index/Pol#poly_cyclo_inv">Index to sequences related to inverse of cyclotomic polynomials</a>
%p A016155 with(numtheory,cyclotomic); c := n->series(1/cyclotomic(n,x),x,80);
%K A016155 sign
%O A016155 0,1
%A A016155 _Simon Plouffe_

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