A014674 Inverse of 665th cyclotomic polynomial.

1, -1, 0, 0, 0, 1, -1, 1, -1, 0, 1, -1, 1, -1, 1, 0, -1, 1, -1, 2, -1, 0, 0, -1, 2, -1, 1, -1, 0, 1, -1, 1, -1, 1, 0, -1, 1, -1, 2, -1, 0, 0, -1, 2, -1, 1, -1, 0, 1, -1, 1, -1, 1, 0, -1, 1, -1, 2, -1, 0, 0, -1, 2, -1, 1, -1, 0, 1, -1, 1, -1, 1, 0, -1, 1, -1, 2, -1, 0, 0, -1

Offset

0,20

Comments

Periodic with period length 665. - Ray Chandler, Apr 06 2017

Links

Ray Chandler, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, order 432.

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[665, x], {x, 0, 80}], x] (* Harvey P. Dale, Jan 29 2016 *)

Crossrefs

Sequence in context: A124645 A029409 A335391 * A015339 A137867 A324734

Adjacent sequences: A014671 A014672 A014673 * A014675 A014676 A014677

Keyword

sign

Author

Simon Plouffe

Status

approved