A015879 Inverse of 1870th cyclotomic polynomial.

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

Offset

0,24

Comments

Periodic with period length 1870. - Ray Chandler, Apr 07 2017

Links

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

Index entries for periodic sequences, period 1870.

Index entries for linear recurrences with constant coefficients, order 640.

Index to sequences related to inverse of cyclotomic polynomials

Maple

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

Prog

(PARI) first(n)=Vec(1/polcyclo(1870)+O(x^(n+1))) \\ Charles R Greathouse IV, Jun 01 2026

Crossrefs

Sequence in context: A047886 A239366 A014944 * A230000 A016242 A394390

Adjacent sequences: A015876 A015877 A015878 * A015880 A015881 A015882

Keyword

sign,easy,changed

Author

Simon Plouffe

Status

approved