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A159543 Numerator of Hermite(n, 15/17). 3

%I

%S 1,30,322,-25020,-1308948,18577800,4340193720,65778001200,

%T -15587083755120,-771769990202400,57930909988062240,

%U 6198757843011739200,-182361990413747545920,-48465444111541849468800,-83695327377356424021120,389671513929275953180896000

%N Numerator of Hermite(n, 15/17).

%H G. C. Greubel, <a href="/A159543/b159543.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, 15/17).

%F E.g.f.: exp(30*x-289*x^2).

%F a(n) = numerator(Sum_{k=0..floor(n/2)} (-1)^k*n!*(30/17)^(n-2*k)/(k!*(n-2*k)!)). (End)

%t Numerator[Table[HermiteH[n,15/17],{n,0,30}]] (* _Vladimir Joseph Stephan Orlovsky_, May 08 2011 *)

%t Table[17^n*HermiteH[n, 15/17], {n,0,50}] (* _G. C. Greubel_, Jul 02 2018 *)

%o (PARI) a(n)=numerator(polhermite(n,15/17)) \\ _Charles R Greathouse IV_, Jan 29 2016

%o (MAGMA) [Numerator((&+[(-1)^k*Factorial(n)*(30/17)^(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. A159541, A159542.

%K sign,frac

%O 0,2

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

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Last modified October 20 03:04 EDT 2021. Contains 348099 sequences. (Running on oeis4.)