A015670 - OEIS

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A015670

Inverse of 1661st cyclotomic polynomial.

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

	OFFSET	`0,1`
	COMMENTS	`Periodic with period length 1661. - 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 1500.` `Index to sequences related to inverse of cyclotomic polynomials`
	MAPLE	`with(numtheory, cyclotomic); c := n->series(1/cyclotomic(n, x), x, 80);`
	MATHEMATICA	`Flatten[PadRight[{CoefficientList[Series[1/Cyclotomic[1661, x], {x, 0, 11}], x]}, 100, 0]] (* Harvey P. Dale, Nov 26 2015 *)`
	CROSSREFS	`Sequence in context: A015516 A015538 A015648 * A015736 A015802 A015835` `Adjacent sequences: A015667 A015668 A015669 * A015671 A015672 A015673`
	KEYWORD	`sign`
	AUTHOR	`Simon Plouffe`
	STATUS	`approved`

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Last modified January 19 19:30 EST 2021. Contains 340270 sequences. (Running on oeis4.)