A012832 - OEIS

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A012832

sec(sec(x)*arcsinh(x))=1+1/2!*x^2+13/4!*x^4+445/6!*x^6+24953/8!*x^8...

1, 1, 13, 445, 24953, 2394425, 320731013, 61303017269, 15028480222577, 4798610670513265, 1869279471006738045, 898190788867995464109, 509366426382836133377513, 343690844382622422166331305 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	CROSSREFS	`Sequence in context: A012109 A012084 A114759 * A102075 A166184 A081862` `Adjacent sequences: A012829 A012830 A012831 * A012833 A012834 A012835`
	KEYWORD	`nonn`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 16 14:37 EST 2012. Contains 205930 sequences.