A014366 - OEIS

%I #13 May 31 2026 22:46:58

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

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

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

%N Inverse of 357th cyclotomic polynomial.

%C Periodic with period length 357. - _Ray Chandler_, Apr 03 2017

%H Ray Chandler, <a href="/A014366/b014366.txt">Table of n, a(n) for n = 0..1000</a>

%H <a href="/index/Per#periodic">Index entries for periodic sequences</a>.

%H <a href="/index/Rec#order_192">Index entries for linear recurrences with constant coefficients</a>, order 192.

%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);

%o (PARI) Vec(1/polcyclo(357)+O(x^99)) \\ _Charles R Greathouse IV_, May 31 2026

%K sign,easy

%O 0,1

%A _Simon Plouffe_