A009092 - OEIS

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A009092

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

1, 0, -1, -6, -15, 20, 303, 742, -2975, -17784, 101471, 1089330, -4112559, -109689892, -175956081, 10257283678, 62492991169, -1187272882032, -14383393311553, 159864567511530, 3401397735742641, -22534114976850652 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Cos[ Tanh[ x ]*Exp[ x ] ]`
	CROSSREFS	`Sequence in context: A162693 A056901 A012412 * A015793 A063466 A138109` `Adjacent sequences: A009089 A009090 A009091 * A009093 A009094 A009095`
	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 17 22:48 EST 2012. Contains 206085 sequences.