A012032 - OEIS

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A012032

sec(sin(sinh(x)))=1+1/2!*x^2+5/4!*x^4+13/6!*x^6-1303/8!*x^8...

1, 1, 5, 13, -1303, -97351, -5539667, -182565627, 23677748561, 8153921374705, 1571128609968341, 190412412110488701, -16146953133290647751, -22882305147029329939799 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	CROSSREFS	`Sequence in context: A155185 A009157 A153374 * A121228 A201260 A012173` `Adjacent sequences: A012029 A012030 A012031 * A012033 A012034 A012035`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.