# A066329 (b-file synthesized from sequence entry) 0 0 1 1 2 11 3 100 4 101 5 1000 6 1001 7 1011 8 1100 9 1101 10 1111 11 -1 12 -1 13 -1 14 -1 15 -1 16 10000 17 10001 18 10011 19 10100 20 10101 21 11000 22 11001 23 11011 24 11100 25 11101 26 11111 27 -1 28 -1 29 -1 30 -1 31 -1 32 100000 33 100001 34 100011 35 100100 36 100101 37 101000 38 101001 39 101011 40 101100 41 101101 42 101111 43 -1 44 -1 45 -1 46 -1 47 -1 48 110000 49 110001 50 110011