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A013423 tan(arcsin(x)-tanh(x))=3/3!*x^3-7/5!*x^5+497/7!*x^7+18209/9!*x^9... 0
3, -7, 497, 18209, 664697, 249795713, 20788071761, 7484066815937, 2018810597689577, 693966952243632545, 344692722450514980225, 170245123653326940700257, 112403414827841060460901977 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Sequence in context: A013426 A013422 A013424 * A199365 A153217 A120905

Adjacent sequences:  A013420 A013421 A013422 * A013424 A013425 A013426

KEYWORD

sign

AUTHOR

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

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Last modified February 17 08:44 EST 2012. Contains 205998 sequences.