Powers k^m, m > 1, where k is an Achilles number that is not a product of primorials.

Terms

a(0) =11664a(1) =40000a(2) =153664a(3) =250000a(4) =419904a(5) =455625a(6) =640000a(7) =937024a(8) =944784a(9) =1259712a(10) =1265625a(11) =1750329a(12) =1827904a(13) =1882384a(14) =2458624a(15) =3779136a(16) =4000000a(17) =5345344a(18) =7290000a(19) =8000000a(20) =8340544a(21) =9529569a(22) =10240000a(23) =10673289a(24) =12446784a(25) =14992384a(26) =15116544a(27) =16000000a(28) =17909824a(29) =20250000