id:A024268 - OEIS Search Results

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Expansion of tanh(tan(x)*sinh(x))/2.

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0, 1, 6, -49, -8484, -511379, 6769026, 9445602011, 1884673497336, 61550034487321, -126825694957538754, -61388922632885893849, -9399026972435828464044, 9252373566488286511114501, 9573652356256569791096427066 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Tanh[ Tan[ x ]Sinh[ x ]]/2 ( Even Part *)`
	CROSSREFS	`A009816.` `Sequence in context: A055847 A008786 A046195 this_sequence A062801 A035290 A138422` `Adjacent sequences: A024265 A024266 A024267 this_sequence A024269 A024270 A024271`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com)`
	EXTENSIONS	`Extended with signs 03/97.`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research