Sequence A005418 written in base 2.

Terms

a(0) =1a(1) =10a(2) =11a(3) =110a(4) =1010a(5) =10100a(6) =100100a(7) =1001000a(8) =10001000a(9) =100010000a(10) =1000010000a(11) =10000100000a(12) =100000100000