Floor((n+1/5)^n).A197715Floor((n+1/5)^n).Terms a(0) =1a(1) =4a(2) =32a(3) =311a(4) =3802a(5) =56800a(6) =1003061a(7) =20441408a(8) =472161363a(9) =12189944199a(10) =347854999334External referencesoeis: A197715