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A009092 Expansion of cos(tanh(x).exp(x)). +0
1
1, 0, -1, -6, -15, 20, 303, 742, -2975, -17784, 101471, 1089330, -4112559, -109689892, -175956081, 10257283678, 62492991169, -1187272882032, -14383393311553, 159864567511530, 3401397735742641, -22534114976850652 (list; graph; listen)
OFFSET

0,4

MATHEMATICA

Cos[ Tanh[ x ]*Exp[ x ] ]

CROSSREFS

Sequence in context: A162693 A056901 A012412 this_sequence A015793 A063466 A138109

Adjacent sequences: A009089 A009090 A009091 this_sequence 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 December 15 00:47 EST 2009. Contains 170825 sequences.


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