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A009220 Expansion of exp(sinh(sinh(x))). +0
1
1, 1, 1, 3, 9, 33, 153, 731, 4273, 25857, 177489, 1311379, 10342137, 89060065, 800697641, 7778778091, 78896218081, 849264442881, 9587206592289, 113234181108643, 1403875965476969, 18073465545032353 (list; graph; listen)
OFFSET

0,4
MATHEMATICA

Exp[ Sinh[ Sinh[ x ] ] ]

CROSSREFS

Sequence in context: A049425 A012584 A101899 this_sequence A007489 A097677 A138769

Adjacent sequences: A009217 A009218 A009219 this_sequence 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 November 25 14:49 EST 2009. Contains 167514 sequences.

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