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Search: id:A012161
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A012161 arcsin(tan(arcsinh(x)))=x+2/3!*x^3+24/5!*x^5+720/7!*x^7+48000/9!*x^9... +0
1
1, 2, 24, 720, 48000, 4896000, 804480000, 175037491200, 53010886656000, 19962353688576000, 9637819435745280000, 5576675932580413440000, 3929711821948633743360000, 3235566861687414718464000000 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A119699 A093459 A010050 this_sequence A009724 A009396 A012128

Adjacent sequences: A012158 A012159 A012160 this_sequence A012162 A012163 A012164

KEYWORD

nonn

AUTHOR

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

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.

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