Numbers m such that phi(m) = k*phi(m-k) for some number 1 <= k < m - 2.

Terms

a(0) =4a(1) =5a(2) =7a(3) =8a(4) =9a(5) =11a(6) =13a(7) =16a(8) =17a(9) =32a(10) =73a(11) =105a(12) =165a(13) =195a(14) =256a(15) =257a(16) =496a(17) =512a(18) =527a(19) =585a(20) =976a(21) =992a(22) =1952a(23) =2205a(24) =2522a(25) =2593a(26) =2626a(27) =2835a(28) =3256a(29) =3706