A015131 Inverse of 1122nd cyclotomic polynomial.

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

Offset

0,18

Comments

Periodic with period length 1122. - Ray Chandler, Apr 07 2017

Links

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

Index entries for periodic sequences, period 1122.

Index entries for linear recurrences with constant coefficients, order 320.

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[1122, x], {x, 0, 120}], x, 120] (* Harvey P. Dale, May 10 2025 *)

Prog

(PARI) first(n)=Vec(1/polcyclo(1122)+O(x^(n+1))) \\ Charles R Greathouse IV, Jun 01 2026

Crossrefs

Sequence in context: A229541 A015488 A014570 * A282716 A167194 A185018

Adjacent sequences: A015128 A015129 A015130 * A015132 A015133 A015134

Keyword

sign,easy,changed

Author

Simon Plouffe

Status

approved