id:A009720 - OEIS Search Results

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Expansion of tan(tanh(x)*cos(x)).

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1, -3, -43, 2009, 6313, -9872907, 760322045, 105243758801, -41122814903471, 1873399639193325, 3032918686052577317, -1060046322104258754871, -196239553045718536023047, 335369132729230015620066021 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`Tan[ Tanh[ x ]Cos[ x ] ] ( Odd Part *)`
	CROSSREFS	`Adjacent sequences: A009717 A009718 A009719 this_sequence A009721 A009722 A009723` `Sequence in context: A141060 A136648 A114337 this_sequence A076361 A130408 A133073`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

AT&T Labs Research