A014268 Inverse of 259th cyclotomic polynomial.

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, -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

Offset

0,1

Comments

Periodic with period length 259. - Ray Chandler, Apr 03 2017

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, order 216.

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[259, x], {x, 0, 200}], x] (* Vincenzo Librandi, Apr 08 2014 *)

Prog

(Magma) t:=259; u:=1; m:=u*t+2; R<x>:=PowerSeriesRing(Integers(), m); Coefficients(R!(1/CyclotomicPolynomial(t))); // Vincenzo Librandi, Apr 08 2014
(PARI) Vec(O(x^199)+1/polcyclo(259)) \\ M. F. Hasler, Feb 16 2018

Crossrefs

Column 259 of A291137.

Sequence in context: A014611 A014296 A014583 * A014527 A014226 A014443

Adjacent sequences: A014265 A014266 A014267 * A014269 A014270 A014271

Keyword

sign,easy

Author

Simon Plouffe

Status

approved