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

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =7a(6) =10a(7) =11a(8) =20a(9) =100a(10) =200a(11) =1000a(12) =2000a(13) =10000a(14) =20000a(15) =100000a(16) =200000a(17) =1000000a(18) =2000000a(19) =10000000a(20) =20000000a(21) =100000000a(22) =200000000a(23) =1000000000a(24) =2000000000a(25) =10000000000a(26) =20000000000