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A012383
arctanh(tan(x)*arcsin(x))=2/2!*x^2+12/4!*x^4+430/6!*x^6+26040/8!*x^8...
+0
1
2, 12, 430, 26040, 2903098, 482065540, 114403718182, 36427784932336, 15033693897929202, 7796959901543040892, 4965936966951067746846, 3810003526358223726689960, 3466033186882425920541836586
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.
AT&T Labs Research
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