# A115794 (b-file synthesized from sequence entry) 0 0 1 1 2 10 3 100 4 101 5 1000 6 1010 7 1101 8 10000 9 10001 10 10100 11 11010 12 11101 13 100000 14 100001 15 100010 16 101000 17 101101 18 110100 19 111010 20 1000000 21 1000001 22 1000010 23 1000100 24 1000101 25 1001101 26 1010000 27 1010001 28 1011010 29 1011101 30 1101000