A009738 - OEIS

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A009738

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

0, 1, 2, 5, 4, 1, 38, 797, 3144, 1345, -49526, 785685, 10349516, 33807489, -460714706, 492925869, 91894143376, 846642059905, -6277401116142, -79077949115227, 1574511126111380, 36210294463841281, -81923064774031562 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Tan[ x ]*Exp[ Tanh[ x ] ]`
	CROSSREFS	`Sequence in context: A116516 A011417 A087561 * A177067 A055127 A152669` `Adjacent sequences: A009735 A009736 A009737 * A009739 A009740 A009741`
	KEYWORD	`sign,easy`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified February 13 16:02 EST 2012. Contains 205521 sequences.