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 A308942 #7 Jul 02 2019 09:09:41
%S A308942 1,1,2,36,12096,129600000,67688524800000,2447142088237056000000,
%T A308942 8252231792724705005273088000000,
%U A308942 3364251896526130462332506439942144000000000,208568259979639958038116614964866564751360000000000000000,2415411835199739880770061590576804904109473876860500705280000000000000000
%N A308942 a(n) = Product_{k=1..n} Stirling2(n,k) * k!.
%t A308942 Table[Product[StirlingS2[n, k] k!, {k, 1, n}], {n, 0, 11}]
%o A308942 (PARI) a(n) = prod(k=1, n, stirling(n, k, 2)*k!); \\ _Michel Marcus_, Jul 02 2019
%Y A308942 Cf. A000178, A000670, A019538, A058808, A308941.
%K A308942 nonn
%O A308942 0,3
%A A308942 _Ilya Gutkovskiy_, Jul 01 2019