Binary expansion starts 110.

Terms

a(0) =6a(1) =12a(2) =13a(3) =24a(4) =25a(5) =26a(6) =27a(7) =48a(8) =49a(9) =50a(10) =51a(11) =52a(12) =53a(13) =54a(14) =55a(15) =96a(16) =97a(17) =98a(18) =99a(19) =100a(20) =101a(21) =102a(22) =103a(23) =104a(24) =105a(25) =106a(26) =107a(27) =108a(28) =109a(29) =110