A009688 - OEIS

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A009688

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

1, 6, 132, 6888, 631120, 88901472, 17815778112, 4813349520000, 1685527674636544, 742370072201602560, 401601528167832511488, 261760691714482869528576, 202316143535276408972627968 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MATHEMATICA	`Tan[ Sinh[ x ]/Cos[ x ]] (* Odd Part *)`
	CROSSREFS	`Sequence in context: A137037 A101131 A174250 * A132872 A152289 A015503` `Adjacent sequences: A009685 A009686 A009687 * A009689 A009690 A009691`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended and signs tested Mar 15 1997 by Olivier Gerard.`

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Last modified February 15 04:23 EST 2012. Contains 205694 sequences.