id:A024263 - OEIS Search Results

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

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0, 1, 4, 108, 4448, 276560, 24034752, 2782112704, 413640580096, 76768625740032, 17380983003345920, 4711153236657376256, 1505098422997799215104, 559357234754573189828608 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Sinh[ Tan[ x ]x ]/2 ( Even Part *)`
	CROSSREFS	`A009611.` `Sequence in context: A128865 A131092 A123056 this_sequence A090205 A061464 A107048` `Adjacent sequences: A024260 A024261 A024262 this_sequence A024264 A024265 A024266`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended and signs tested 03/97.`

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.

AT&T Labs Research