A015855 Inverse of 1846th cyclotomic polynomial.

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

Offset

0,1

Comments

Periodic with period length 1846. - Ray Chandler, Apr 07 2017

Links

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

Index entries for periodic sequences, period 1846.

Index entries for linear recurrences with constant coefficients, order 840.

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(1846)+O(x^(n+1))) \\ Charles R Greathouse IV, Jun 01 2026

Crossrefs

Sequence in context: A014958 A015907 A014932 * A014880 A015751 A014802

Adjacent sequences: A015852 A015853 A015854 * A015856 A015857 A015858

Keyword

sign,easy

Author

Simon Plouffe

Status

approved