a(n) = Product_{k=0..n-1} A084057(k+1).A186269a(n) = Product_{k=0..n-1} A084057(k+1).Terms a(0) =1a(1) =1a(2) =6a(3) =96a(4) =5376a(5) =946176a(6) =544997376External referencesoeis: A186269