A013446 - OEIS

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A013446

cosh(tan(x)-arctan(x))=1+160/6!*x^6-1792/8!*x^8+484224/10!*x^10...

1, 0, 0, 160, -1792, 484224, -30840832, 7718963200, -1315838558208, 426971596029952, -136067874243248128, 61019499461102272512, -30246038986591439945728, 18590454932996390870056960 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,4`
	LINKS	`Table of n, a(n) for n=0..13.`
	CROSSREFS	`Sequence in context: A281404 A127409 A013447 * A013444 A013448 A234650` `Adjacent sequences: A013443 A013444 A013445 * A013447 A013448 A013449`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (patrick.demichel(AT)hp.com)`
	STATUS	`approved`

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Last modified May 28 07:30 EDT 2022. Contains 354112 sequences. (Running on oeis4.)