id:A012456 - OEIS Search Results

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exp(arctan(x)*atan(x))=1+2/2!*x^2-4/4!*x^4+8/6!*x^6+912/8!*x^8...

+0
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1, 2, -4, 8, 912, -99168, 11815872, -1790856576, 347783278848, -85244795874816, 25888104843574272, -9570587679263078400, 4239434238319441121280, -2218976274384029204766720 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A061089 A067499 A135212 this_sequence A071686 A103097 A062286` `Adjacent sequences: A012453 A012454 A012455 this_sequence A012457 A012458 A012459`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research