A015213 Inverse of 1204th cyclotomic polynomial.

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

Offset

0,1

Comments

Periodic with period length 1204. - Ray Chandler, Apr 07 2017

Links

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

Index entries for periodic sequences, period 1204.

Index entries for linear recurrences with constant coefficients, order 504.

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[1204, x], {x, 0, 120}], x, 120] (* Harvey P. Dale, Jun 29 2022 *)

Prog

(PARI) first(n)=Vec(1/polcyclo(1204)+O(x^(n+1))) \\ Charles R Greathouse IV, Jun 01 2026

Crossrefs

Sequence in context: A290079 A011632 A015157 * A015325 A015493 A015661

Adjacent sequences: A015210 A015211 A015212 * A015214 A015215 A015216

Keyword

sign,easy

Author

Simon Plouffe

Status

approved