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A012337
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cosh(arcsin(x)*sin(x))=1+12/4!*x^4+3920/8!*x^8+120960/10!*x^10...
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0
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1, 0, 12, 0, 3920, 120960, 17113536, 2185863680, 437574641920, 109911351717888, 35384622800940032, 14042731903340822528, 6754327139234044301312, 3868960488190037835612160, 2602802755318373957242699776, 2031908876248511982604975472640
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listen;
history;
text;
internal format)
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OFFSET
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0,3
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LINKS
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MATHEMATICA
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With[{nn=40}, Take[CoefficientList[Series[Cosh[ArcSin[x]Sin[x]], {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Aug 04 2024 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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Patrick Demichel (patrick.demichel(AT)hp.com)
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EXTENSIONS
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STATUS
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approved
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