A014119 Inverse of 110th cyclotomic polynomial.

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

Offset

0,1

Comments

Periodic with period length 110. - 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, signature (-1, 0, 0, 0, 1, 1, 0, 0, 0, -1, 0, 1, 0, 0, 1, 0, -1, 0, 0, -1, 0, 0, -1, 0, 1, 0, 0, 1, 0, -1, 0, 0, 0, 1, 1, 0, 0, 0, -1, -1).

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[110, x], {x, 0, 200}], x] (* Vincenzo Librandi, Apr 06 2014 *)

Crossrefs

Cf. similar sequences listed in A240328 and A240465.

Sequence in context: A014074 A014139 A014064 * A084052 A352677 A130630

Adjacent sequences: A014116 A014117 A014118 * A014120 A014121 A014122

Keyword

sign,easy

Author

Simon Plouffe

Status

approved