A012117 - OEIS

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A012117

arcsinh(arcsin(arcsinh(x)))=x-1/3!*x^3+17/5!*x^5-449/7!*x^7+30113/9!*x^9...

1, -1, 17, -449, 30113, -2761793, 415351089, -81370683393, 21955730621249, -7408485122203009, 3161408870916725841, -1630838373598845388097, 1013685573603673847917793, -741353146138643571687256001 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	CROSSREFS	`Sequence in context: A158063 A035022 A023150 * A122430 A009051 A035276` `Adjacent sequences: A012114 A012115 A012116 * A012118 A012119 A012120`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 16 08:13 EST 2012. Contains 205893 sequences.