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A012335
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tanh(arcsin(x)*sin(x))=2/2!*x^2-200/6!*x^6+1344/8!*x^8+367648/10!*x^10...
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0
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2, 0, -200, 1344, 367648, -7504640, -2587904384, 253284677632, 79392079655424, -6850403676839936, -2011786530842634240, 1982840495232732151808, 855419792148094652522496
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OFFSET
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0,1
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LINKS
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MATHEMATICA
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With[{nn=30}, Take[CoefficientList[Series[Tanh[ArcSin[x]Sin[x]], {x, 0, nn}], x] Range[0, nn]!, {3, -1, 2}]] (* Harvey P. Dale, Jan 14 2020 *)
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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Patrick Demichel (patrick.demichel(AT)hp.com)
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STATUS
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approved
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