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 A308941 #8 Jul 02 2019 09:09:33
%S A308941 1,1,2,72,114048,14515200000,234709539840000000,
%T A308941 698712561855933972480000000,523145284340194421434020324704256000000,
%U A308941 128974285815375032145715297526239008267285037056000000,13271794881195622862513637643190449698396346431150489600000000000000000
%N A308941 a(n) = Product_{k=1..n} |Stirling1(n,k)| * k!.
%t A308941 Table[Product[Abs[StirlingS1[n, k]] k!, {k, 1, n}], {n, 0, 10}]
%o A308941 (PARI) a(n) = prod(k=1, n, abs(stirling(n, k, 1))*k!); \\ _Michel Marcus_, Jul 02 2019
%Y A308941 Cf. A000178, A006252, A048594, A058807, A308942.
%K A308941 nonn
%O A308941 0,3
%A A308941 _Ilya Gutkovskiy_, Jul 01 2019