A015681 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A015681

Inverse of 1672nd cyclotomic polynomial.

1, 0, 0, 0, -1, 0, 0, 0, 1, 0, 0, 0, -1, 0, 0, 0, 1, 0, 0, 0, -1, 0, 0, 0, 1, 0, 0, 0, -1, 0, 0, 0, 1, 0, 0, 0, -1, 0, 0, 0, 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, 1, 0, 0, 0, -1 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,1`
	COMMENTS	`Periodic with period length 1672. - Ray Chandler, Apr 07 2017`
	LINKS	`Ray Chandler, Table of n, a(n) for n = 0..2000` `Index entries for linear recurrences with constant coefficients, order 720.` `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[1672, x], {x, 0, 120}], x] (* Harvey P. Dale, Dec 21 2015 *)`
	CROSSREFS	`Sequence in context: A014737 A014625 A016033 * A015505 A015153 A015985` `Adjacent sequences: A015678 A015679 A015680 * A015682 A015683 A015684`
	KEYWORD	`sign`
	AUTHOR	`Simon Plouffe`
	STATUS	`approved`

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 30 02:54 EDT 2023. Contains 361603 sequences. (Running on oeis4.)