# A204009 (b-file synthesized from sequence entry) 0 0 1 1 2 10 3 11 4 100 5 101 6 110 7 1000 8 1001 9 1010 10 1011 11 10000 12 10001 13 10010 14 10011 15 10100 16 100000 17 100001 18 100010 19 100011 20 100100 21 100101 22 1000000 23 1000001 24 1000010 25 1000011 26 1000100 27 1000101 28 1000110 29 10000000 30 10000001 31 10000010 32 10000011 33 10000100