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 A160294 #13 Sep 08 2022 08:45:45
%S A160294 1,13,-281,-15353,179761,29972293,-14822441,-81117882833,
%T A160294 -1007841787679,278922434958973,7707750894566599,-1154950195686012713,
%U A160294 -53167719472022830319,5545550703568171856053,383123318057719791494839,-29956366297729125403700993
%N A160294 Numerator of Hermite(n, 13/30).
%H A160294 G. C. Greubel, <a href="/A160294/b160294.txt">Table of n, a(n) for n = 0..412</a>
%F A160294 From _G. C. Greubel_, Oct 03 2018: (Start)
%F A160294 a(n) = 15^n * Hermite(n, 13/30).
%F A160294 E.g.f.: exp(13*x - 225*x^2).
%F A160294 a(n) = numerator(Sum_{k=0..floor(n/2)} (-1)^k*n!*(13/15)^(n-2*k)/(k!*(n-2*k)!)). (End)
%e A160294 Numerators of 1, 13/15, -281/225, -15353/3375, 179761/50625, ...
%t A160294 Table[15^n*HermiteH[n, 13/30], {n, 0, 30}] (* _G. C. Greubel_, Oct 03 2018 *)
%o A160294 (PARI) a(n)=numerator(polhermite(n, 13/30)) \\ _Charles R Greathouse IV_, Jan 29 2016
%o A160294 (PARI) x='x+O('x^30); Vec(serlaplace(exp(13*x - 225*x^2))) \\ _G. C. Greubel_, Oct 03 2018
%o A160294 (Magma) [Numerator((&+[(-1)^k*Factorial(n)*(13/15)^(n-2*k)/( Factorial(k) *Factorial(n-2*k)): k in [0..Floor(n/2)]])): n in [0..30]]; // _G. C. Greubel_, Oct 03 2018
%Y A160294 Cf. A001024 (denominators).
%K A160294 sign,frac
%O A160294 0,2
%A A160294 _N. J. A. Sloane_, Nov 12 2009