A009697 - OEIS

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A009697

Expansion of tan(tan(x)).exp(x).

0, 1, 2, 7, 20, 117, 518, 4555, 27432, 317577, 2405194, 34316335, 312554428, 5287957053, 56240197198, 1099518892339, 13369846932560, 296443784525713, 4056020122211730, 100546719214082775, 1528702557462347620 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Tan[ Tan[ x ] ]*Exp[ x ]`
	CROSSREFS	`Sequence in context: A118397 A171191 A189771 * A139012 A132605 A088157` `Adjacent sequences: A009694 A009695 A009696 * A009698 A009699 A009700`
	KEYWORD	`nonn,easy`
	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 09:09 EST 2012. Contains 205746 sequences.