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A013240
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arcsinh(log(x+1)-tan(x))=-1/2!*x^2-6/4!*x^4+8/5!*x^5-105/6!*x^6...
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1
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0, 0, -1, 0, -6, 8, -105, 448, -3780, 29360, -239085, 2498848, -23480226, 280142744, -3229879653, 41622253216, -582786564360, 8232828649568, -134282588969529, 2159014224301504, -39520792904437310
(list;
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listen;
history;
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internal format)
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OFFSET
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0,5
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LINKS
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MATHEMATICA
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CoefficientList[Series[ArcSinh[Log[1 + x] - Tan[x]], {x, 0, 20}], x] * Range[0, 20]! (* Vaclav Kotesovec, Feb 04 2015 *)
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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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EXTENSIONS
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STATUS
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approved
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