A009220 - OEIS

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A009220

Expansion of exp(sinh(sinh(x))).

1, 1, 1, 3, 9, 33, 153, 731, 4273, 25857, 177489, 1311379, 10342137, 89060065, 800697641, 7778778091, 78896218081, 849264442881, 9587206592289, 113234181108643, 1403875965476969, 18073465545032353 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Exp[ Sinh[ Sinh[ x ] ] ]`
	CROSSREFS	`Sequence in context: A049425 A012584 A101899 * A007489 A201968 A097677` `Adjacent sequences: A009217 A009218 A009219 * A009221 A009222 A009223`
	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 17:13 EST 2012. Contains 205828 sequences.