A015674 - OEIS

A015674

Inverse of 1665th cyclotomic polynomial.

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

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OFFSET

0,1

COMMENTS

Periodic with period length 1665. - Ray Chandler, Apr 07 2017

LINKS

Ray Chandler, Table of n, a(n) for n = 0..2000

Index entries for linear recurrences with constant coefficients, order 864.

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[1665, x], {x, 0, 120}], x] (* Harvey P. Dale, Mar 24 2018 *)

CROSSREFS

Sequence in context: A011645 A015314 A015404 * A015854 A015944 A016124

Adjacent sequences: A015671 A015672 A015673 * A015675 A015676 A015677

KEYWORD

sign

AUTHOR

Simon Plouffe

STATUS

approved