Difference between the primorial base exp-function and the arithmetic derivative.

Terms

a(0) =1a(1) =2a(2) =2a(3) =5a(4) =5a(5) =17a(6) =0a(7) =9a(8) =3a(9) =24a(10) =38a(11) =89a(12) =9a(13) =49a(14) =66a(15) =142a(16) =193a(17) =449a(18) =104a(19) =249a(20) =351a(21) =740a(22) =1112a(23) =2249a(24) =581a(25) =1240a(26) =1860a(27) =3723a(28) =5593a(29) =11249