a(n) = n^3*sigma_4(n).

Terms

a(0) =0a(1) =1a(2) =136a(3) =2214a(4) =17472a(5) =78250a(6) =301104a(7) =823886a(8) =2236928a(9) =4842747a(10) =10642000a(11) =19488502a(12) =38683008a(13) =62750714a(14) =112048496a(15) =173245500a(16) =286330880a(17) =410343586a(18) =658613592a(19) =893878598a(20) =1367184000a(21) =1824083604a(22) =2650436272a(23) =3404837614a(24) =4952558592a(25) =6113296875a(26) =8534097104a(27) =10591107372