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A015978 Inverse of 1969th cyclotomic polynomial. 1

%I

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

%T 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

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

%N Inverse of 1969th cyclotomic polynomial.

%C Periodic with period length 1969. - _Ray Chandler_, Apr 07 2017

%H Ray Chandler, <a href="/A015978/b015978.txt">Table of n, a(n) for n = 0..2000</a>

%H <a href="/index/Rec#order_1780">Index entries for linear recurrences with constant coefficients</a>, order 1780.

%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 December 1 11:38 EST 2021. Contains 349429 sequences. (Running on oeis4.)