Primorial base log-function: fully additive with a(p) = p#/p, where p# = A034386(p).

Terms

a(0) =0a(1) =1a(2) =2a(3) =2a(4) =6a(5) =3a(6) =30a(7) =3a(8) =4a(9) =7a(10) =210a(11) =4a(12) =2310a(13) =31a(14) =8a(15) =4a(16) =30030a(17) =5a(18) =510510a(19) =8a(20) =32a(21) =211a(22) =9699690a(23) =5a(24) =12a(25) =2311a(26) =6a(27) =32a(28) =223092870a(29) =9