Triangle of binary numbers >= 1 with no initial repeats.

Terms

a(0) =1a(1) =10a(2) =100a(3) =101a(4) =1000a(5) =1001a(6) =1011a(7) =10000a(8) =10001a(9) =10010a(10) =10011a(11) =10110a(12) =10111a(13) =100000a(14) =100001a(15) =100010a(16) =100011a(17) =100101a(18) =100110a(19) =100111a(20) =101100a(21) =101110a(22) =101111a(23) =1000000a(24) =1000001a(25) =1000010a(26) =1000011a(27) =1000100a(28) =1000101a(29) =1000110