1408000

Appears in sequences

• Triangle T(n, k) = Product_{j=1..k} Product_{i=0..j-1} ( 1 - (n-k+1)*(i+1) ) with T(n, 0) = 1 and T(n, n) = n!, read by rows.at n=25A156693
• a(n) = Product_{k=0..n} (3*k+2)^(n-k).at n=4A263417