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A111784
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Eleventh column (m=10) of unsigned triangle A111595.
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1
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1, 110, 7326, 386100, 17846829, 762431670, 31039608600, 1227833727120, 47809764352350, 1849155516788580, 71501760198168300, 2777115998421765000, 108722966424618095550, 4301625967084096150500, 172338358130509601230200
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OFFSET
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10,2
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LINKS
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FORMULA
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E.g.f.: (1/sqrt(1-x^2))*((x/(1-x))^10)/10!.
a(n) = (n!/10!)*Sum_{k=0..floor((n-10)/2)} binomial(2*k, k)*binomial(n-2*k-1, 9)/(4^k), n >= 10.
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MATHEMATICA
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With[{nn=30}, Drop[CoefficientList[Series[1/Sqrt[1-x^2] (x/(1-x))^10/ 10!, {x, 0, nn}], x] Range[0, nn]!, 10]] (* Harvey P. Dale, May 22 2016 *)
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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