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Numerator of Hermite(n, 16/17).
2

%I #12 Sep 08 2022 08:45:43

%S 1,32,446,-22720,-1500404,4515712,4480670344,127720961792,

%T -14041721434480,-1039916813229568,39767696878818784,

%U 7283285480589104128,-19777881376678496576,-51149760297419738122240,-1488181328853069396639616,366282057803422300192698368

%N Numerator of Hermite(n, 16/17).

%H G. C. Greubel, <a href="/A159544/b159544.txt">Table of n, a(n) for n = 0..404</a>

%F From _G. C. Greubel_, Jul 02 2018: (Start)

%F a(n) = 17^n * Hermite(n, 16/17).

%F E.g.f.: exp(32*x-289*x^2).

%F a(n) = numerator(Sum_{k=0..floor(n/2)} (-1)^k*n!*(32/17)^(n-2*k)/(k!*(n-2*k)!)). (End)

%t Numerator[Table[HermiteH[n,16/17],{n,0,30}]] (* _Vladimir Joseph Stephan Orlovsky_, May 08 2011 *)

%t Table[17^n*HermiteH[n, 16/17], {n,0,50)] (* _G. C. Greubel_, Jul 02 2018 *)

%o (PARI) a(n)=numerator(polhermite(n,16/17)) \\ _Charles R Greathouse IV_, Jan 29 2016

%o (Magma) [Numerator((&+[(-1)^k*Factorial(n)*(32/17)^(n-2*k)/( Factorial(k) *Factorial(n-2*k)): k in [0..Floor(n/2)]])): n in [0..30]]; // _G. C. Greubel_, Jul 02 2018

%Y Cf. A159542, A159543.

%K sign,frac

%O 0,2

%A _N. J. A. Sloane_, Nov 12 2009