A015964 Inverse of 1955th cyclotomic polynomial.

1, -1, 0, 0, 0, 1, -1, 0, 0, 0, 1, -1, 0, 0, 0, 1, -1, 1, -1, 0, 1, -1, 1, 0, -1, 1, -1, 1, 0, -1, 1, -1, 1, 0, 0, 0, -1, 1, 0, 0, 1, -2, 1, 0, 0, 1, -1, 0, 0, 0, 1, 0, -1, 0, 0, 1, 0, 0, -1, 0, 1, 0, 0, 0, -1, 1, 0, 0, 1, -1, 0, 0, 0, 1, 0, -1, 0, 0, 1, 0, 0

Offset

0,42

Comments

Periodic with period length 1955. - Ray Chandler, Apr 07 2017

Links

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

Index entries for periodic sequences, period 1955.

Index entries for linear recurrences with constant coefficients, order 1408.

Index to sequences related to inverse of cyclotomic polynomials

Maple

with(numtheory, cyclotomic); c := n->series(1/cyclotomic(n, x), x, 80);

Prog

(PARI) first(n)=Vec(1/polcyclo(1955)+O(x^(n+1))) \\ Charles R Greathouse IV, Jun 01 2026

Crossrefs

Sequence in context: A334195 A348446 A279278 * A088950 A267113 A083025

Adjacent sequences: A015961 A015962 A015963 * A015965 A015966 A015967

Keyword

sign,easy

Author

Simon Plouffe

Status

approved