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 A367927 #6 Dec 05 2023 05:01:19
%S A367927 1,2,320,9856080,111411200000000,758912215744345000000000,
%T A367927 4641055652546245989752776320614400000,
%U A367927 35539706227151665491451514343890494014992000000000000,453355203871266077337924186645041169745278527392553369600000000000000000
%N A367927 a(n) = Product_{k=1..n} (n^2 + k^2)^k.
%F A367927 a(n) ~ 2^(n^2 + n/2 + 1/12) * n^(n*(n+1)) / exp(n^2/2 - 1/12).
%t A367927 Table[Product[(k^2 + n^2)^k, {k, 1, n}], {n, 0, 10}]
%Y A367927 Cf. A272244.
%K A367927 nonn
%O A367927 0,2
%A A367927 _Vaclav Kotesovec_, Dec 05 2023