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 A160328 #13 Sep 08 2022 08:45:45
%S A160328 1,40,-322,-166640,-4808948,1088770400,89764806280,-8965108001600,
%T A160328 -1566300023755120,75195499682396800,30101677798211937760,
%U A160328 -241190391967188985600,-646057287688484347545920,-20279476307208127137958400,15331208337896144822264021120
%N A160328 Numerator of Hermite(n, 20/31).
%H A160328 G. C. Greubel, <a href="/A160328/b160328.txt">Table of n, a(n) for n = 0..368</a>
%F A160328 From _G. C. Greubel_, Oct 04 2018: (Start)
%F A160328 a(n) = 31^n * Hermite(n, 20/31).
%F A160328 a(n+2) = 40*a(n+1) - 1922*(n+1)*a(n)
%F A160328 E.g.f.: exp(40*x - 961*x^2).
%F A160328 a(n) = numerator(Sum_{k=0..floor(n/2)} (-1)^k*n!*(40/31)^(n-2*k)/(k!*(n-2*k)!)). (End)
%e A160328 Numerators of 1, 40/31, -322/961, -166640/29791, -4808948/923521, ...
%t A160328 Table[31^n*HermiteH[n, 20/31], {n, 0, 30}] (* _G. C. Greubel_, Oct 04 2018 *)
%o A160328 (PARI) a(n)=numerator(polhermite(n, 20/31)) \\ _Charles R Greathouse IV_, Jan 29 2016
%o A160328 (PARI) x='x+O('x^30); Vec(serlaplace(exp(40*x - 961*x^2))) \\ _G. C. Greubel_, Oct 04 2018
%o A160328 (Magma) [Numerator((&+[(-1)^k*Factorial(n)*(40/31)^(n-2*k)/( Factorial(k) *Factorial(n-2*k)): k in [0..Floor(n/2)]])): n in [0..30]]; // _G. C. Greubel_, Oct 04 2018
%Y A160328 Cf. A009975 (denominators).
%K A160328 sign,frac
%O A160328 0,2
%A A160328 _N. J. A. Sloane_, Nov 12 2009