A015412 Inverse of 1403rd 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, 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, -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 1403. - Ray Chandler, Apr 07 2017

Links

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

Index entries for periodic sequences, period 1403.

Index entries for linear recurrences with constant coefficients, order 1320.

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[1403, x], {x, 0, 120}], x] (* Harvey P. Dale, Dec 27 2021 *)

Prog

(PARI) first(n)=Vec(1/polcyclo(1403)+O(x^(n+1))) \\ Charles R Greathouse IV, Jun 01 2026

Crossrefs

Sequence in context: A015688 A015642 A015550 * A015366 A015228 A015090

Adjacent sequences: A015409 A015410 A015411 * A015413 A015414 A015415

Keyword

sign,easy

Author

Simon Plouffe

Status

approved