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 A368807 #5 Jan 06 2024 11:28:56
%S A368807 1,4,6720,19313344512000,20823306760116073109787770880000000,
%T A368807 127561365195629861072526583814017987280486114546255888016998400000000000000
%N A368807 a(n) = Product_{k1=1..k2, k2=1..k3, k3=1..k4, k4=1..n} (k1 + k2 + k3 + k4).
%F A368807 Limit_{n->oo} (a(n)^(1/n^4)) / n^(1/24) = 2^(19/18) / (3^(9/16) * exp(25/288)) = 1.0272449259573526742294526185907726081185052788527643...
%t A368807 Table[Product[Product[Product[Product[k1 + k2 + k3 + k4, {k1, 1, k2}], {k2, 1, k3}], {k3, 1, k4}], {k4, 1, n}], {n, 0, 8}]
%Y A368807 Cf. A324427, A324441.
%K A368807 nonn
%O A368807 0,2
%A A368807 _Vaclav Kotesovec_, Jan 06 2024