A015824 Inverse of 1815th cyclotomic polynomial.

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

Offset

0,1

Comments

Periodic with period length 1815. - Ray Chandler, Apr 07 2017

Links

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

Index entries for periodic sequences, period 1815.

Index entries for linear recurrences with constant coefficients, order 880.

Index to sequences related to inverse of cyclotomic polynomials

Maple

with(numtheory, cyclotomic); c := n->series(1/cyclotomic(n, x), x, 80); c(1815);

Prog

(PARI) first(n)=Vec(1/polcyclo(1815)+O(x^(n+1))) \\ Charles R Greathouse IV, Jun 01 2026

Crossrefs

Sequence in context: A323402 A240355 A358841 * A014856 A015703 A015582

Adjacent sequences: A015821 A015822 A015823 * A015825 A015826 A015827

Keyword

sign,easy

Author

Simon Plouffe

Status

approved