A014204 - OEIS

A014204

Inverse of 195th cyclotomic polynomial.

1, -1, 0, 1, -1, 1, 0, -1, 1, 0, 0, 0, 0, 1, -1, 0, 1, -1, 1, 0, -1, 1, 0, 0, 0, 0, 1, -1, 0, 1, -1, 1, 0, -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, 0, 0, 0, 0, 0, 0, 0, -1, 1, 0, -1, 1, -1, 0, 1, -1, 0, 0, 0, 0, -1, 1, 0

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OFFSET

0,1

COMMENTS

Periodic with period length 195. - Ray Chandler, Apr 03 2017

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (-1, -1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, -1, -1, -1, -1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, -1, -1, -1, -1, 0, 1, 1, 0, -1, -1, -1, 0, 1, 2, 1, 0, -1, -1, -1, 0, 1, 2, 1, 0, -1, -1, -1, 0, 1, 1, 0, -1, -1, -1, -1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, -1, -1, -1, -1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, -1, -1, -1).

Index to sequences related to inverse of cyclotomic polynomials

MAPLE

with(numtheory, cyclotomic); c := n->series(1/cyclotomic(n, x), x, 80);

MATHEMATICA

CoefficientList[Series[1/Cyclotomic[195, x], {x, 0, 200}], x] (* Vincenzo Librandi, Apr 06 2014 *)

CROSSREFS

Cf. similar sequences listed in A240328, A240467.

Sequence in context: A014579 A014264 A014519 * A014399 A030324 A014174

Adjacent sequences: A014201 A014202 A014203 * A014205 A014206 A014207

KEYWORD

sign,easy

AUTHOR

Simon Plouffe

STATUS

approved