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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A160146 Numerator of Hermite(n, 17/27).

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%I A160146 #13 Sep 08 2022 08:45:44
%S A160146 1,34,-302,-109412,-2399060,556522744,36410920696,-3630489660848,
%T A160146 -495046505092208,25514450230996000,7363491547673817376,
%U A160146 -121641971747011889216,-122231504480991087309632,-2027623214667976954804352,2247836746633993852403416960
%N A160146 Numerator of Hermite(n, 17/27).
%H A160146 G. C. Greubel, <a href="/A160146/b160146.txt">Table of n, a(n) for n = 0..376</a>
%F A160146 From _G. C. Greubel_, Sep 24 2018: (Start)
%F A160146 a(n) = 27^n * Hermite(n, 17/27).
%F A160146 E.g.f.: exp(34*x - 729*x^2).
%F A160146 a(n) = numerator(Sum_{k=0..floor(n/2)} (-1)^k*n!*(34/27)^(n-2*k)/(k!*(n-2*k)!)). (End)
%e A160146 Numerators of 1, 34/27, -302/729, -109412/19683, -2399060/531441, ...
%t A160146 Table[27^n*HermiteH[n, 17/27], {n, 0, 30}] (* _G. C. Greubel_, Sep 24 2018 *)
%o A160146 (PARI) a(n)=numerator(polhermite(n, 17/27)) \\ _Charles R Greathouse IV_, Jan 29 2016
%o A160146 (PARI) x='x+O('x^30); Vec(serlaplace(exp(34*x - 729*x^2))) \\ _G. C. Greubel_, Sep 24 2018
%o A160146 (Magma) [Numerator((&+[(-1)^k*Factorial(n)*(34/27)^(n-2*k)/( Factorial(k) *Factorial(n-2*k)): k in [0..Floor(n/2)]])): n in [0..30]]; // _G. C. Greubel_, Sep 24 2018
%Y A160146 Cf. A009971 (denominators).
%K A160146 sign,frac
%O A160146 0,2
%A A160146 _N. J. A. Sloane_, Nov 12 2009