A012789 - OEIS

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A012789

arcsinh(sec(x)*arcsin(x))=x+3/3!*x^3+13/5!*x^5+7/7!*x^7+5465/9!*x^9...

1, 3, 13, 7, 5465, 978923, 85275045, 6907939183, 1989186790065, 849732569279059, 291378385380567613, 103124375038834822231, 54929709590807595546121, 39029092314830559489826107 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A173203 A140445 A186109 * A046421 A071708 A136592` `Adjacent sequences: A012786 A012787 A012788 * A012790 A012791 A012792`
	KEYWORD	`nonn`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 17 23:40 EST 2012. Contains 206085 sequences.