A015637 - OEIS

A015637

Inverse of 1628th cyclotomic polynomial.

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

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OFFSET

0,1

COMMENTS

Periodic with period length 1628. - 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 720.

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[1628, x], {x, 0, 120}], x] (* Harvey P. Dale, Jun 07 2022 *)

CROSSREFS

Sequence in context: A015813 A015901 A016077 * A015373 A015285 A015021

Adjacent sequences: A015634 A015635 A015636 * A015638 A015639 A015640

KEYWORD

sign

AUTHOR

Simon Plouffe

STATUS

approved