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A014674 Inverse of 665th cyclotomic polynomial. 1

%I

%S 1,-1,0,0,0,1,-1,1,-1,0,1,-1,1,-1,1,0,-1,1,-1,2,-1,0,0,-1,2,-1,1,-1,0,

%T 1,-1,1,-1,1,0,-1,1,-1,2,-1,0,0,-1,2,-1,1,-1,0,1,-1,1,-1,1,0,-1,1,-1,

%U 2,-1,0,0,-1,2,-1,1,-1,0,1,-1,1,-1,1,0,-1,1,-1,2,-1,0,0,-1

%N Inverse of 665th cyclotomic polynomial.

%C Periodic with period length 665. - _Ray Chandler_, Apr 06 2017

%H Ray Chandler, <a href="/A014674/b014674.txt">Table of n, a(n) for n = 0..1000</a>

%H <a href="/index/Rec#order_432">Index entries for linear recurrences with constant coefficients</a>, order 432.

%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[665,x],{x,0,80}],x] (* _Harvey P. Dale_, Jan 29 2016 *)

%K sign

%O 0,20

%A _Simon Plouffe_

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Last modified June 16 04:54 EDT 2019. Contains 324145 sequences. (Running on oeis4.)