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A013422 arcsin(arcsin(x)-tanh(x))=3/3!*x^3-7/5!*x^5+497/7!*x^7+10649/9!*x^9... 0
3, -7, 497, 10649, 955757, 167741741, 20817188849, 5637483533393, 1653225944489237, 560689820639903957, 269465649695982142009, 138258119776900090716601, 87774869737967098700912797 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Sequence in context: A128004 A086559 A013426 * A013424 A013423 A199365

Adjacent sequences:  A013419 A013420 A013421 * A013423 A013424 A013425

KEYWORD

sign

AUTHOR

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

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Last modified February 17 23:08 EST 2012. Contains 206085 sequences.