A012563 - OEIS

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A012563

cosh(sinh(x)*arctan(x))=1+12/4!*x^4-120/6!*x^6+8400/8!*x^8...

1, 0, 12, -120, 8400, -600000, 73313856, -12123226752, 2695239655680, -769790431168512, 275082505104161792, -120207067043213252608, 63066575428691877122048, -39120958138480154972405760 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,3`
	LINKS	`Table of n, a(n) for n=0..13.`
	CROSSREFS	`Sequence in context: A009164 A012436 A012619 * A301898 A012441 A012373` `Adjacent sequences: A012560 A012561 A012562 * A012564 A012565 A012566`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (patrick.demichel(AT)hp.com)`
	STATUS	`approved`

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Last modified March 24 02:50 EDT 2023. Contains 361454 sequences. (Running on oeis4.)