id:A012444 - OEIS Search Results

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exp(arctan(x)*tan(x))=1+2/2!*x^2+12/4!*x^4+280/6!*x^6+7952/8!*x^8...

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1, 2, 12, 280, 7952, 532768, 30306496, 4657640832, 327222722816, 131738463674880, 2341955285781504, 10584761954697844736, -1750594656814587244544, 2213182839332047713673216 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A091504 A098137 A014982 this_sequence A012754 A083568 A003121` `Adjacent sequences: A012441 A012442 A012443 this_sequence A012445 A012446 A012447`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.

AT&T Labs Research