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 A368132 #5 Dec 13 2023 07:25:17 %S A368132 1,2,48,21600,252887040,98761420800000,1570566914538209280000, %T A368132 1201180685574618279796801536000, %U A368132 50959974187374808154771772407808000000000,135885790744085787579893977066309675148441026560000000,25449451333612206329171203227236492481881984357892096000000000000000 %N A368132 a(n) = Product_{k=1..n} (n + k)^k. %F A368132 a(n) ~ 2^(n/2 + 1/12) * exp(n^2/4 + 1/24) * n^(n*(n+1)/2). %t A368132 Table[Product[(n + k)^k, {k, 1, n}], {n, 0, 10}] %Y A368132 Cf. A002109, A367927. %K A368132 nonn %O A368132 0,2 %A A368132 _Vaclav Kotesovec_, Dec 13 2023