id:A009114 - OEIS Search Results

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Expansion of cos(x)/exp(tan(x)).

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1, -1, 0, 0, 4, -12, 56, -280, 1744, -11536, 86208, -703296, 6199744, -59653440, 608357504, -6715007104, 77889982720, -967972497664, 12588540708864, -173764741920768, 2503565961032704, -37986612815698944 (list; graph; listen)

	OFFSET	`0,5`
	MATHEMATICA	`Cos[ x ]/Exp[ Tan[ x ] ]`
	CROSSREFS	`Sequence in context: A051195 A124004 A019266 this_sequence A065125 A068525 A067755` `Adjacent sequences: A009111 A009112 A009113 this_sequence A009115 A009116 A009117`
	KEYWORD	`sign,easy`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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

AT&T Labs Research