All values attained by the phi(n) function, in ascending order.

Terms

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