A014504 Inverse of 495th cyclotomic polynomial.

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

Offset

0,1

Comments

Periodic with period length 495. - Ray Chandler, Apr 04 2017

Links

Ray Chandler, Table of n, a(n) for n = 0..1000

Index entries for periodic sequences.

Index entries for linear recurrences with constant coefficients, order 240.

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[495, x], {x, 0, 120}], x] (* Harvey P. Dale, Nov 12 2017 *)

Prog

(PARI) Vec(1/polcyclo(495)+O(x^99)) \\ Charles R Greathouse IV, May 31 2026

Crossrefs

Sequence in context: A015539 A014594 A015179 * A014999 A227291 A271102

Adjacent sequences: A014501 A014502 A014503 * A014505 A014506 A014507

Keyword

sign,easy

Author

Simon Plouffe

Status

approved