A013454 - OEIS

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A013454

cos(tan(x)-tanh(x))=1-160/6!*x^6-261120/10!*x^10+3942400/12!*x^12...

1, 0, 0, -160, 0, -261120, 3942400, -1538068480, 111522611200, -25458261360640, 5279051703910400, -1021353507684352000, 440307608869404672000, -89935097031558126632960 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	CROSSREFS	`Sequence in context: A121800 A121804 A205164 * A013455 A013465 A013466` `Adjacent sequences: A013451 A013452 A013453 * A013455 A013456 A013457`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 16 10:26 EST 2012. Contains 205904 sequences.