Cubes composed of digits {0, 1, 3}.

Terms

a(0) =0a(1) =1a(2) =1000a(3) =1331a(4) =1000000a(5) =1030301a(6) =1331000a(7) =1000000000a(8) =1003003001a(9) =1030301000a(10) =1331000000a(11) =1000000000000