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A013430
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Expansion of e.g.f. exp(arcsin(x)-arctanh(x)).
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0
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1, 0, 0, -1, 0, -15, 10, -495, 840, -29575, 87750, -2805075, 12340900, -387547875, 2304422250, -73485787375, 556725078000, -18311017515375, 169707184396750, -5801182757296875, 63859173696337500
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OFFSET
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0,6
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LINKS
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FORMULA
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EXAMPLE
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1-1/3!*x^3-15/5!*x^5+10/6!*x^6-495/7!*x^7...
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PROG
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(PARI) my(x='x+O('x^30)); Vec(serlaplace(exp(asin(x)-atanh(x)))) \\ Michel Marcus, May 10 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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