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A012711
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Expansion of e.g.f. arcsin(arctanh(x) * exp(x)).
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0
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0, 1, 2, 6, 24, 168, 1360, 14280, 170688, 2420096, 38403328, 687737600, 13562531840, 293985622656, 6920272523008, 176170136886016, 4816418604806144, 140839702493749248, 4384422821203968000
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OFFSET
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0,3
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LINKS
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EXAMPLE
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x + 2/2!*x^2 + 6/3!*x^3 + 24/4!*x^4 + 168/5!*x^5 ...
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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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