a(n) = Product_{k=1..n} (144 - 12/k).A216787a(n) = Product_{k=1..n} (144 - 12/k).Terms a(0) =1a(1) =132a(2) =18216a(3) =2550240a(4) =359583840a(5) =50917071744External referencesoeis: A216787