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.
%I A159868 #12 Sep 08 2022 08:45:44
%S A159868 1,8,-994,-24880,2955916,128939488,-14605279736,-935350107712,
%T A159868 100683900863120,8722274518579328,-888933907869994016,
%U A159868 -99393135669529242368,9550267734434756419264,1338297392335821312458240,-120648003280729069290891136,-20788045001524017834458579968
%N A159868 Numerator of Hermite(n, 4/23).
%H A159868 G. C. Greubel, <a href="/A159868/b159868.txt">Table of n, a(n) for n = 0..385</a>
%F A159868 From _G. C. Greubel_, Jul 14 2018: (Start)
%F A159868 a(n) = 23^n * Hermite(n, 4/23).
%F A159868 E.g.f.: exp(8*x - 529*x^2).
%F A159868 a(n) = numerator(Sum_{k=0..floor(n/2)} (-1)^k*n!*(8/23)^(n-2*k)/(k!*(n-2*k)!)). (End)
%t A159868 Numerator[Table[HermiteH[n, 4/23], {n, 0, 30}]] (* _Vladimir Joseph Stephan Orlovsky_, Jun 22 2011 *)
%t A159868 Table[19^n*HermiteH[n, 4/23], {n,0,30}] (* _G. C. Greubel_, Jul 14 2018 *)
%o A159868 (PARI) a(n)=numerator(polhermite(n, 4/23)) \\ _Charles R Greathouse IV_, Jan 29 2016
%o A159868 (PARI) x='x+O('x^30); Vec(serlaplace(exp(8*x - 529*x^2))) \\ _G. C. Greubel_, Jul 14 2018
%o A159868 (Magma) [Numerator((&+[(-1)^k*Factorial(n)*(8/23)^(n-2*k)/( Factorial(k) *Factorial(n-2*k)): k in [0..Floor(n/2)]])): n in [0..30]]; // _G. C. Greubel_, Jul 14 2018
%Y A159868 Cf. A159858, A159859.
%K A159868 sign,frac
%O A159868 0,2
%A A159868 _N. J. A. Sloane_, Nov 12 2009