A126564 - OEIS

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A126564

[ sin(n)*cos(n) ].

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

	OFFSET	`0,1`
	FORMULA	`a(n) = floor(sin(n)*cos(n)).`
	PROG	`(PARI) a(n) = floor(sin(n)*cos(n))`
	CROSSREFS	`Cf. A000480, A000493, A126565.` `Sequence in context: A117814 A062301 A181712 * A180433 A165560 A014306` `Adjacent sequences: A126561 A126562 A126563 * A126565 A126566 A126567`
	KEYWORD	`sign`
	AUTHOR	`Rick L. Shepherd (rshepherd2(AT)hotmail.com), Dec 27 2006`

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Last modified February 15 05:45 EST 2012. Contains 205694 sequences.