a(n) = n^4*tau(n).

Terms

a(0) =1a(1) =32a(2) =162a(3) =768a(4) =1250a(5) =5184a(6) =4802a(7) =16384a(8) =19683a(9) =40000a(10) =29282a(11) =124416a(12) =57122a(13) =153664a(14) =202500a(15) =327680a(16) =167042a(17) =629856a(18) =260642a(19) =960000a(20) =777924a(21) =937024a(22) =559682a(23) =2654208a(24) =1171875a(25) =1827904a(26) =2125764a(27) =3687936a(28) =1414562a(29) =6480000