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 A293022 #8 Sep 29 2017 20:35:56
%S A293022 1,1,4,30,320,4380,73152,1443008,32837632,846829008,24406425600,
%T A293022 777438110240,27122380259328,1028481186011968,42119646804852736,
%U A293022 1852697321086064640,87113569172046479360,4360314205952755126528,231474221309788621111296,12990330117363343153415680
%N A293022 a(n) = n! * [x^n] exp(n*sinh(x)).
%H A293022 Robert Israel, <a href="/A293022/b293022.txt">Table of n, a(n) for n = 0..380</a>
%p A293022 N:= 30: # to get a(0)..a(N)
%p A293022 S:= series(exp(n*sinh(x)),x,N+1):
%p A293022 seq(n!*coeff(S,x,n),n=0..N); # _Robert Israel_, Sep 29 2017
%t A293022 Table[n! SeriesCoefficient[Exp[n Sinh[x]], {x, 0, n}], {n, 0, 19}]
%Y A293022 Cf. A003724, A134200.
%K A293022 nonn
%O A293022 0,3
%A A293022 _Ilya Gutkovskiy_, Sep 28 2017