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A159543
Numerator of Hermite(n, 15/17).
3
1, 30, 322, -25020, -1308948, 18577800, 4340193720, 65778001200, -15587083755120, -771769990202400, 57930909988062240, 6198757843011739200, -182361990413747545920, -48465444111541849468800, -83695327377356424021120, 389671513929275953180896000
OFFSET
0,2
LINKS
FORMULA
From G. C. Greubel, Jul 02 2018: (Start)
a(n) = 17^n * Hermite(n, 15/17).
E.g.f.: exp(30*x-289*x^2).
a(n) = numerator(Sum_{k=0..floor(n/2)} (-1)^k*n!*(30/17)^(n-2*k)/(k!*(n-2*k)!)). (End)
MATHEMATICA
Numerator[Table[HermiteH[n, 15/17], {n, 0, 30}]] (* Vladimir Joseph Stephan Orlovsky, May 08 2011 *)
Table[17^n*HermiteH[n, 15/17], {n, 0, 50}] (* G. C. Greubel, Jul 02 2018 *)
PROG
(PARI) a(n)=numerator(polhermite(n, 15/17)) \\ Charles R Greathouse IV, Jan 29 2016
(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
CROSSREFS
Sequence in context: A074994 A134287 A141216 * A362521 A227689 A006859
KEYWORD
sign,frac
AUTHOR
N. J. A. Sloane, Nov 12 2009
STATUS
approved