Numbers k such that phi(x) = k has exactly 10 solutions.

Terms

a(0) =24a(1) =80a(2) =180a(3) =256a(4) =264a(5) =828a(6) =1188a(7) =1640a(8) =1968a(9) =2024a(10) =2368a(11) =2544a(12) =2720a(13) =2772a(14) =2904a(15) =3036a(16) =3136a(17) =3144a(18) =3328a(19) =3392a(20) =3420a(21) =4192a(22) =4392a(23) =4464a(24) =4600a(25) =5000a(26) =5312a(27) =5504a(28) =5508a(29) =5688