Values of phi(n) corresponding to A035113.

Terms

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