Cubes written in base 2.

Terms

a(0) =1a(1) =1000a(2) =11011a(3) =1000000a(4) =1111101a(5) =11011000a(6) =101010111a(7) =1000000000a(8) =1011011001a(9) =1111101000a(10) =10100110011a(11) =11011000000a(12) =100010010101a(13) =101010111000a(14) =110100101111a(15) =1000000000000