A116641 in binary.

Terms

a(0) =1a(1) =101a(2) =111a(3) =1011a(4) =10011a(5) =10111a(6) =11101a(7) =11111a(8) =100011a(9) =100101a(10) =101111a(11) =110001a(12) =110101a(13) =1000001a(14) =1000011a(15) =1001001a(16) =1001111a(17) =1010101a(18) =1011001a(19) =1100001a(20) =1100101a(21) =1100111a(22) =1110111a(23) =1111001a(24) =1111101a(25) =10000011a(26) =10000101a(27) =10001111