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Search: id:A013464
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A013464 arctan(atan(x)-atanh(x))=-4/3!*x^3-1440/7!*x^7+35840/9!*x^9... +0
1
-4, 0, -1440, 35840, -7257600, 790732800, -208797388800, 48099557376000, -19670079356928000, 7390762646372352000, -4427057815048028160000, 2474680614543006105600000, -2020995311309719496294400000 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A012502 A130105 A013463 this_sequence A051390 A124120 A093318

Adjacent sequences: A013461 A013462 A013463 this_sequence A013465 A013466 A013467

KEYWORD

sign

AUTHOR

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

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

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