A012786 - OEIS

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A012786

arctan(sec(x)*arcsin(x))=x+2/3!*x^3-12/5!*x^5-432/7!*x^7+10000/9!*x^9...

1, 2, -12, -432, 10000, 1500512, -18269760, -16350361856, 922523568384, 990634832194048, 92553699220882432, -44373953423964778496, 9057208032779104423936, 25540436414796388855898112 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A012383 A012751 A012428 * A168504 A062738 A009510` `Adjacent sequences: A012783 A012784 A012785 * A012787 A012788 A012789`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 16 23:45 EST 2012. Contains 205978 sequences.