Arithmetic derivative of cubes: a(n) = 3*n^2*A003415(n).

Terms

a(0) =0a(1) =12a(2) =27a(3) =192a(4) =75a(5) =540a(6) =147a(7) =2304a(8) =1458a(9) =2100a(10) =363a(11) =6912a(12) =507a(13) =5292a(14) =5400a(15) =24576a(16) =867a(17) =20412a(18) =1083a(19) =28800a(20) =13230a(21) =18876a(22) =1587a(23) =76032a(24) =18750a(25) =30420a(26) =59049a(27) =75264a(28) =2523a(29) =83700