A000484 - OEIS

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A000484

a(n) = round(cos(n)).

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

	OFFSET	`0,1`
	LINKS	`T. D. Noe, Table of n, a(n) for n = 0..1000`
	MAPLE	`f := n->round(evalf(cos(n)));`
	MATHEMATICA	`Array[ Round[ Cos[ # ] // N ]&, 90, 0 ]`
	CROSSREFS	`Sequence in context: A016345 A016148 A016333 * A014978 A015947 A015590` `Adjacent sequences: A000481 A000482 A000483 * A000485 A000486 A000487`
	KEYWORD	`sign,easy`
	AUTHOR	`N. J. A. Sloane`
	STATUS	`approved`

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Last modified March 31 14:36 EDT 2023. Contains 361658 sequences. (Running on oeis4.)