A012079 - OEIS

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A012079

cos(arcsin(tan(x)))=1-1/2!*x^2-11/4!*x^4-301/6!*x^6-16631/8!*x^8...

1, -1, -11, -301, -16631, -1620601, -250557251, -56629836901, -17602836565871, -7193368568377201, -3735581618747946491, -2401310609311293289501, -1871136400199563216523111 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	CROSSREFS	`Bisection of A012253.` `Sequence in context: A012027 A002114 A012192 * A180056 A172506 A001280` `Adjacent sequences: A012076 A012077 A012078 * A012080 A012081 A012082`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 15 03:59 EST 2012. Contains 205694 sequences.