A024272 - OEIS

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A024272

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

0, 1, 6, 71, 1596, 58141, 3109986, 229395011, 22312837176, 2767173538681, 426167405495166, 79796244279937151, 17851790220732115956, 4702787739658825158421, 1440911869083478804851546 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Tan[ x ]Sinh[ x ]/2 ( Even Part *)`
	CROSSREFS	`A009747.` `Sequence in context: A127135 A187651 A005981 * A167813 A052615 A192990` `Adjacent sequences: A024269 A024270 A024271 * A024273 A024274 A024275`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended and signs tested 03/97.`

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Last modified February 16 21:04 EST 2012. Contains 205969 sequences.