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 A294324 #7 Aug 11 2024 19:17:14 %S A294324 2,10080,4828336128000,1717378459351319052288000000, %T A294324 1930334638180469242638816526565470371840000000000, %U A294324 21019161870767674789722561439867977128887689291877548419973120000000000000000 %N A294324 a(n) = Product_{k=0..n} (5*k + 2)!. %F A294324 a(n) ~ 2^(n/2 + 6/5) * 5^(5*n^2/2 + 5*n + 7/3) * n^(5*n^2/2 + 5*n + 137/60) * Pi^(n/2 + 11/10) / (A^(1/5) * (1 + sqrt(5))^(1/10) * Gamma(1/5)^(2/5) * Gamma(2/5)^(4/5) * exp(15*n^2/4 + 5*n - 1/60)), where A is the Glaisher-Kinkelin constant A074962. %F A294324 A268506(n) * A294323(n) * A294324(n) * A294325(n) * A294326(n) = A000178(5*n+4). %t A294324 Table[Product[(5*k + 2)!, {k, 0, n}] , {n, 0, 10}] %t A294324 FoldList[Times,(5Range[0,10]+2)!] (* _Harvey P. Dale_, Aug 11 2024 *) %Y A294324 Cf. A268506, A294319, A294321, A294323, A294325, A294326. %K A294324 nonn %O A294324 0,1 %A A294324 _Vaclav Kotesovec_, Oct 28 2017