Cubes of squarefree numbers.

Terms

a(0) =1a(1) =8a(2) =27a(3) =125a(4) =216a(5) =343a(6) =1000a(7) =1331a(8) =2197a(9) =2744a(10) =3375a(11) =4913a(12) =6859a(13) =9261a(14) =10648a(15) =12167a(16) =17576a(17) =24389a(18) =27000a(19) =29791a(20) =35937a(21) =39304a(22) =42875a(23) =50653a(24) =54872a(25) =59319a(26) =68921a(27) =74088a(28) =79507a(29) =97336