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A012164 sinh(tan(arcsinh(x)))=x+2/3!*x^3+16/5!*x^5+216/7!*x^7+6400/9!*x^9... 0
1, 2, 16, 216, 6400, 125696, 18156672, -930421504, 394852151296, -97538559528960, 37824762737852416, -16526000392804139008, 8864261701679059992576, -5567468507542446595047424 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A114531 A012056 A062971 * A188688 A188844 A187657

Adjacent sequences:  A012161 A012162 A012163 * A012165 A012166 A012167

KEYWORD

sign

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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Last modified February 15 18:22 EST 2012. Contains 205835 sequences.