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 A160153 #14 Sep 08 2022 08:45:44
%S A160153 1,52,1246,-86840,-9965684,-11764688,72038072584,3848897264992,
%T A160153 -535077911012720,-72717589071528128,3239977716589449184,
%U A160153 1228701289925531463808,11929704457466050105024,-20877013136748863885323520,-1311720301397752435727447936
%N A160153 Numerator of Hermite(n, 26/27).
%H A160153 G. C. Greubel, <a href="/A160153/b160153.txt">Table of n, a(n) for n = 0..376</a>
%F A160153 From _G. C. Greubel_, Sep 24 2018: (Start)
%F A160153 a(n) = 27^n * Hermite(n, 26/27).
%F A160153 E.g.f.: exp(52*x - 729*x^2).
%F A160153 a(n) = numerator(Sum_{k=0..floor(n/2)} (-1)^k*n!*(52/27)^(n-2*k)/(k!*(n-2*k)!)). (End)
%e A160153 Numerators of 1, 52/27, 1246/729, -86840/19683, -9965684/531441, ...
%t A160153 Table[27^n*HermiteH[n, 26/27], {n, 0, 30}] (* _G. C. Greubel_, Sep 24 2018 *)
%o A160153 (PARI) a(n)=numerator(polhermite(n, 26/27)) \\ _Charles R Greathouse IV_, Jan 29 2016
%o A160153 (PARI) x='x+O('x^30); Vec(serlaplace(exp(52*x - 729*x^2))) \\ _G. C. Greubel_, Sep 24 2018
%o A160153 (Magma) [Numerator((&+[(-1)^k*Factorial(n)*(52/27)^(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 A160153 Cf. A009971 (denominators).
%K A160153 sign,frac
%O A160153 0,2
%A A160153 _N. J. A. Sloane_, Nov 12 2009