Record values in A003415 (arithmetic derivative).

Terms

a(0) =0a(1) =1a(2) =4a(3) =5a(4) =12a(5) =16a(6) =32a(7) =44a(8) =80a(9) =112a(10) =192a(11) =272a(12) =448a(13) =640a(14) =1024a(15) =1472a(16) =2304a(17) =2368a(18) =3328a(19) =3392a(20) =5120a(21) =5376a(22) =7424a(23) =7744a(24) =11264a(25) =12032a(26) =16384a(27) =16640a(28) =17408a(29) =24576