A016156 Inverse of 2147th cyclotomic polynomial.

1, 1, 1, 1, 1, 1, 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, 0, 0, 0, 0

Offset

0,1

Comments

Periodic with period length 2147. - Ray Chandler, Apr 07 2017

Links

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

Index entries for periodic sequences, period 2147.

Index entries for linear recurrences with constant coefficients, order 2016.

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[2147, x], {x, 0, 120}], x] (* Harvey P. Dale, Jan 21 2024 *)

Prog

(PARI) first(n)=Vec(1/polcyclo(2147)+O(x^(n+1))) \\ Charles R Greathouse IV, Jun 01 2026

Crossrefs

Sequence in context: A015966 A016042 A016080 * A015510 A015396 A015358

Adjacent sequences: A016153 A016154 A016155 * A016157 A016158 A016159

Keyword

sign,easy

Author

Simon Plouffe

Status

approved