Numbers k such that k^3 has at most three different digits.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =7a(8) =8a(9) =9a(10) =10a(11) =11a(12) =14a(13) =15a(14) =20a(15) =30a(16) =36a(17) =40a(18) =62a(19) =70a(20) =92a(21) =100a(22) =101a(23) =110a(24) =173a(25) =192a(26) =200a(27) =211a(28) =300a(29) =400