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A009055 Expansion of cos(sinh(tan(x))). +0
1
1, -1, -11, -253, -9463, -491609, -30257347, -1480493589, 177416283793, 125705754161615, 53738108098148101, 22477151211215445843, 9977406312993326490265, 4802660699035958910256759 (list; graph; listen)
OFFSET

0,3

MATHEMATICA

Cos[ Sinh[ Tan[ x ] ] ] (* Even Part *)

CROSSREFS

Sequence in context: A056210 A089298 A012154 this_sequence A009067 A128683 A128405

Adjacent sequences: A009052 A009053 A009054 this_sequence A009056 A009057 A009058

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 4 01:34 EDT 2008. Contains 140787 sequences.


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