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A009204
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Expansion of e.g.f. exp(sin(tanh(x))).
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4
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1, 1, 1, -2, -11, 8, 253, 344, -9463, -44416, 491609, 5130368, -30257347, -688030080, 1480493589, 109875416832, 177416283793, -20650894622720, -125705754161615, 4460981432725504, 53738108098148101, -1069938200055119872
(list;
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refs;
listen;
history;
text;
internal format)
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OFFSET
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0,4
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LINKS
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MATHEMATICA
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With[{nn=30}, CoefficientList[Series[Exp[Sin[Tanh[x]]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Jun 16 2013 *)
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CROSSREFS
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KEYWORD
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sign,easy
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AUTHOR
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EXTENSIONS
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Definition clarified and Mathematica program replaced by Harvey P. Dale, Jun 16 2013
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STATUS
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approved
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