A016030 Inverse of 2021st cyclotomic polynomial.

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

Offset

0,1

Comments

Periodic with period length 2021. - Ray Chandler, Apr 07 2017

Links

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

Index entries for linear recurrences with constant coefficients, order 1932.

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[2021, x], {x, 0, 120}], x] (* Harvey P. Dale, Jul 09 2017 *)

Crossrefs

Sequence in context: A102609 A015772 A016288 * A123271 A121238 A321753

Adjacent sequences: A016027 A016028 A016029 * A016031 A016032 A016033

Keyword

sign

Author

Simon Plouffe

Status

approved