A009396 - OEIS

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A009396

Expansion of ln(1+tanh(x)*sin(x)).

0, 2, -24, 742, -46424, 4924442, -795624324, 182148217942, -56122289514224, 22395847873848242, -11236967462922272124, 6923916000862956967342, -5139905036702596261514024, 4524378924970721231979687242 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MATHEMATICA	`Log[ 1+Tanh[ x ]Sin[ x ] ] ( Even Part *)`
	CROSSREFS	`Sequence in context: A012161 A009724 A177771 * A012128 A099704 A172492` `Adjacent sequences: A009393 A009394 A009395 * A009397 A009398 A009399`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified February 14 06:09 EST 2012. Contains 205570 sequences.