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A012319
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Expansion of e.g.f. arctan(arcsin(x) * exp(x)).
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0
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0, 1, 2, 2, -16, -152, -640, 3208, 93760, 903232, -434432, -177422848, -3216258560, -16228512640, 694840763136, 22720594160384, 271707063115776, -4070997323902976, -272647179903516672
(list;
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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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EXAMPLE
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x + 2/2!*x^2 + 2/3!*x^3 - 16/4!*x^4 - 152/5!*x^5 ...
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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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