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A159240
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Numerator of Hermite(n, 5/9).
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1
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1, 10, -62, -3860, -8468, 2416600, 31025080, -2038684400, -55569284720, 2086442135200, 101884438473760, -2361191874286400, -205169988103104320, 2538457122581718400, 457472566170954881920, -1182495092305788512000, -1123483286718478248185600
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) = 9^n * Hermite(n, 5/9).
E.g.f.: exp(10*x-81*x^2).
a(n) = numerator(Sum_{k=0..floor(n/2)} (-1)^k*n!*(10/9)^(n-2*k)/(k!*(n-2*k)!)). (End)
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MATHEMATICA
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PROG
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(Magma) [Numerator((&+[(-1)^k*Factorial(n)*(10/9)^(n-2*k)/( Factorial(k) *Factorial(n-2*k)): k in [0..Floor(n/2)]])): n in [0..30]]; // G. C. Greubel, Jun 28 2018
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CROSSREFS
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KEYWORD
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sign,frac
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AUTHOR
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STATUS
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approved
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