A012047 - OEIS

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A012047

arcsinh(sin(tanh(x)))=x-4/3!*x^3+76/5!*x^5-3536/7!*x^7+317392/9!*x^9...

1, -4, 76, -3536, 317392, -47590720, 10785422272, -3441103532288, 1468657322465536, -807408622401283072, 555453404529224756224, -467352773254586231115776, 472081158536303158224572416 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A024258 A012101 A012080 * A012010 A012155 A118193` `Adjacent sequences: A012044 A012045 A012046 * A012048 A012049 A012050`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 17 07:30 EST 2012. Contains 205998 sequences.