A015896 Inverse of 1887th cyclotomic polynomial.

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

Offset

0,1

Comments

Periodic with period length 1887. - Ray Chandler, Apr 07 2017

Links

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

Index entries for periodic sequences, period 1887.

Index entries for linear recurrences with constant coefficients, order 1152.

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[1887, x], {x, 0, 120}], x] (* Harvey P. Dale, Apr 06 2022 *)

Prog

(PARI) first(n)=Vec(1/polcyclo(1887)+O(x^(n+1))) \\ Charles R Greathouse IV, Jun 01 2026

Crossrefs

Sequence in context: A011649 A016202 A016100 * A014438 A014867 A014636

Adjacent sequences: A015893 A015894 A015895 * A015897 A015898 A015899

Keyword

sign,easy,changed

Author

Simon Plouffe

Status

approved