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A024253
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Expansion of sin(sin(x))*x/2.
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2
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0, 1, -4, 36, -512, 9360, -225600, 6935488, -258670592, 11453942016, -595273139200, 35778886145024, -2452254890065920, 189732604997505024, -16441271556334370816, 1583926386391039918080, -168491094250200804360192
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OFFSET
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0,3
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LINKS
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MATHEMATICA
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With[{nn=40}, Take[CoefficientList[Series[Sin[Sin[x]]x/2, {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Oct 04 2011 *)
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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EXTENSIONS
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Extended with signs Mar 1997
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STATUS
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approved
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