Sequence A019320 in binary.

Terms

a(0) =10a(1) =1a(2) =11a(3) =111a(4) =101a(5) =11111a(6) =11a(7) =1111111a(8) =10001a(9) =1001001a(10) =1011a(11) =11111111111a(12) =1101a(14) =101011a(15) =10010111a(16) =100000001a(18) =111001a(20) =11001101a(21) =100100110111a(22) =1010101011