The second Jordan totient function applied to the cubefull numbers: a(n) = A007434(A036966(n)).

Terms

a(0) =1a(1) =48a(2) =192a(3) =648a(4) =768a(5) =3072a(6) =5832a(7) =15000a(8) =12288a(9) =31104a(10) =52488a(11) =49152a(12) =115248a(13) =124416a(14) =196608a(15) =375000a(16) =279936a(17) =472392a(18) =497664a(19) =720000a(20) =786432a(21) =1119744a(22) =1756920a(23) =1990656a(24) =2519424a(25) =2880000a(26) =3145728a(27) =4251528a(28) =4798248a(29) =5647152