id:A009746 - OEIS Search Results

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

+0
2

0, 2, 20, 438, 16680, 973034, 80252732, 8859646110, 1258403748432, 223202277906386, 48295209177888356, 12510350648500199814, 3820068667490198035320, 1357281805972469318509754 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`Tan[ x ]Sinh[ Tan[ x ] ] ( Even Part *)`
	CROSSREFS	`Sequence in context: A002116 A058346 A165554 this_sequence A009749 A012533 A009160` `Adjacent sequences: A009743 A009744 A009745 this_sequence A009747 A009748 A009749`
	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 December 7 08:40 EST 2009. Contains 170430 sequences.

AT&T Labs Research