Least positive integer m such that phi(m*n) is a cube, where phi is Euler's totient function (A000010).

A334337

Least positive integer m such that phi(m*n) is a cube, where phi is Euler's totient function (A000010).

Terms

    a(0) =1a(1) =1a(2) =5a(3) =4a(4) =3a(5) =4a(6) =37a(7) =2a(8) =37a(9) =2a(10) =101a(11) =2a(12) =19a(13) =37a(14) =1a(15) =1a(16) =5a(17) =36a(18) =13a(19) =1a(20) =19a(21) =101a(22) =13333a(23) =1a(24) =55a(25) =19a(26) =13a(27) =19a(28) =985a(29) =1

External references