A012787 - OEIS

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A012787

cos(sec(x)*arcsin(x))=1-1/2!*x^2-15/4!*x^4-345/6!*x^6-11263/8!*x^8...

1, -1, -15, -345, -11263, -455025, -16466703, 746021367, 480286325633, 150637957014303, 46203820378253425, 15313454320801213511, 5643895146092962507905, 2333857400234709586763695 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	CROSSREFS	`Sequence in context: A157965 A100875 A034975 * A030049 A202809 A184132` `Adjacent sequences: A012784 A012785 A012786 * A012788 A012789 A012790`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 16 20:14 EST 2012. Contains 205962 sequences.