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A014647 Inverse of 638th cyclotomic polynomial. 1

%I

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

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

%U 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0

%N Inverse of 638th cyclotomic polynomial.

%C Periodic with period length 638. - _Ray Chandler_, Apr 06 2017

%H Ray Chandler, <a href="/A014647/b014647.txt">Table of n, a(n) for n = 0..1000</a>

%H <a href="/index/Rec#order_280">Index entries for linear recurrences with constant coefficients</a>, order 280.

%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_

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Last modified October 25 16:58 EDT 2021. Contains 348255 sequences. (Running on oeis4.)