Composite numbers k such that phi(x) = psi(k)*phi(k) has no solution.

Terms

a(0) =2197a(1) =4934a(2) =5386a(3) =7606a(4) =10774a(5) =11434a(6) =15212a(7) =15214a(8) =15634a(9) =16294a(10) =17146a(11) =18134a(12) =18374a(13) =18994a(14) =19466a(15) =20134a(16) =20362a(17) =23194a(18) =23451a(19) =24051a(20) =24874a(21) =25526a(22) =25934a(23) =26326a(24) =27411a(25) =27561a(26) =27994a(27) =28486a(28) =28561a(29) =30034