a(n) = A048675(A285332(n)).

Terms

a(0) =0a(1) =1a(2) =2a(3) =2a(4) =3a(5) =4a(6) =4a(7) =3a(8) =6a(9) =4a(10) =9a(11) =6a(12) =5a(13) =8a(14) =8a(15) =4a(16) =15a(17) =8a(18) =12a(19) =5a(20) =14a(21) =10a(22) =27a(23) =8a(24) =10a(25) =6a(26) =25a(27) =12a(28) =7a(29) =16