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Search: id:A009715
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A009715 Expansion of tan(tanh(x))*cos(x). +0
1
1, -3, -3, 273, -5159, -62139, 16414101, -1357293927, 59192332081, 5204089208589, -1943937262679379, 331586038355507361, -32236263434125968887, -1484274347735103183531, 1139055571050751311941445 (list; graph; listen)
OFFSET

0,2

MATHEMATICA

Tan[ Tanh[ x ] ]*Cos[ x ] (* Odd Part *)

CROSSREFS

Sequence in context: A113457 A113466 A007301 this_sequence A138662 A009011 A009498

Adjacent sequences: A009712 A009713 A009714 this_sequence A009716 A009717 A009718

KEYWORD

sign

AUTHOR

R. H. Hardin (rhh(AT)cadence.com)

EXTENSIONS

Extended with signs Mar 15 1997 by Olivier Gerard.

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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