A015890 Inverse of 1881st cyclotomic polynomial.

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

Offset

0,1

Comments

Periodic with period length 1881. - 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 1080.

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[1881, x], {x, 0, 120}], x] (* Harvey P. Dale, Oct 26 2015 *)

Crossrefs

Sequence in context: A014018 A014027 A015296 * A011648 A016354 A016286

Adjacent sequences: A015887 A015888 A015889 * A015891 A015892 A015893

Keyword

sign

Author

Simon Plouffe

Status

approved