A016229 Inverse of 2220th cyclotomic polynomial.

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

Offset

0,1

Comments

Periodic with period length 2220. - Ray Chandler, Apr 07 2017

Links

Ray Chandler, Table of n, a(n) for n = 0..3000

Index entries for periodic sequences, period 2220.

Index entries for linear recurrences with constant coefficients, order 576.

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[2220, n], {n, 0, 120}], n] (* Harvey P. Dale, Aug 18 2019 *)

Prog

(PARI) first(n)=Vec(1/polcyclo(2220)+O(x^(n+1))) \\ Charles R Greathouse IV, Jun 01 2026

Crossrefs

Sequence in context: A354036 A284948 A011637 * A015869 A015749 A015389

Adjacent sequences: A016226 A016227 A016228 * A016230 A016231 A016232

Keyword

sign,easy

Author

Simon Plouffe

Status

approved