Least number k such that phi(k) = m, where m runs through the values (A002202) taken by phi.

Terms

a(0) =1a(1) =3a(2) =5a(3) =7a(4) =15a(5) =11a(6) =13a(7) =17a(8) =19a(9) =25a(10) =23a(11) =35a(12) =29a(13) =31a(14) =51a(15) =37a(16) =41a(17) =43a(18) =69a(19) =47a(20) =65a(21) =53a(22) =81a(23) =87a(24) =59a(25) =61a(26) =85a(27) =67a(28) =71a(29) =73