A012556 - OEIS

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A012556

arcsin(sinh(x)*arctan(x))=2/2!*x^2-4/4!*x^4+230/6!*x^6-7880/8!*x^8...

2, -4, 230, -7880, 922378, -104579660, 22872643950, -5494080273552, 1980593407445778, -817099673512164244, 445251089168585478902, -279905701143388803184984, 216483300093818109473976346 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,1`
	LINKS	`Table of n, a(n) for n=0..12.`
	CROSSREFS	`Sequence in context: A012666 A012612 A012560 * A018729 A009800 A018742` `Adjacent sequences: A012553 A012554 A012555 * A012557 A012558 A012559`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (patrick.demichel(AT)hp.com)`
	STATUS	`approved`

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Last modified June 19 12:29 EDT 2013. Contains 226404 sequences.