Numbers m such that phi(m) = rad(m)^3, where phi is the Euler totient function (A000010) and rad is the squarefree kernel function (A007947).

A328274

Numbers m such that phi(m) = rad(m)^3, where phi is the Euler totient function (A000010) and rad is the squarefree kernel function (A007947).

Terms

    a(0) =1a(1) =16a(2) =648a(3) =2500a(4) =101250a(5) =259308a(6) =1542294a(7) =3660250a(8) =4691556a(9) =33734898a(10) =846948966a(11) =1877404326a(12) =21107677374a(13) =39691260010a(14) =535377671178

External references