A086070 in binary.

Terms

a(0) =1a(1) =10a(2) =11a(3) =101a(4) =111a(5) =1011a(6) =1101a(7) =1111a(8) =10111a(9) =11011a(10) =11101a(11) =11111a(12) =101111a(13) =110111a(14) =111011a(15) =111101a(16) =111111a(17) =1011111a(18) =1101111a(19) =1110111a(20) =1111011a(21) =1111101a(22) =1111111a(23) =10111111a(24) =11011111a(25) =11101111a(26) =11110111a(27) =11111011a(28) =11111101