n-th arithmetic derivative of n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =4a(5) =0a(6) =0a(7) =0a(8) =1520a(9) =0a(10) =0a(11) =0a(12) =235072a(13) =0a(14) =0a(15) =705280a(16) =278539264a(17) =0a(18) =0a(19) =0a(20) =226593936a(21) =0a(22) =0a(23) =0a(24) =295266178368a(25) =0a(27) =27a(29) =0a(30) =0a(31) =0