a(n) = (n+1)*2^(n+4).

Terms

a(0) =0a(1) =16a(2) =64a(3) =192a(4) =512a(5) =1280a(6) =3072a(7) =7168a(8) =16384a(9) =36864a(10) =81920a(11) =180224a(12) =393216a(13) =851968a(14) =1835008a(15) =3932160a(16) =8388608a(17) =17825792a(18) =37748736a(19) =79691776a(20) =167772160a(21) =352321536a(22) =738197504a(23) =1543503872a(24) =3221225472a(25) =6710886400a(26) =13958643712