A014119 - OEIS

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

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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