Fixed under 0 -> 10, 1 -> 100.

Terms

a(0) =1a(1) =0a(2) =0a(3) =1a(4) =0a(5) =1a(6) =0a(7) =1a(8) =0a(9) =0a(10) =1a(11) =0a(12) =1a(13) =0a(14) =0a(15) =1a(16) =0a(17) =1a(18) =0a(19) =0a(20) =1a(21) =0a(22) =1a(23) =0a(24) =1a(25) =0a(26) =0a(27) =1a(28) =0a(29) =1