# A071998 (b-file synthesized from sequence entry) 0 0 1 1 2 1010 3 1011 4 1100100 5 1100101 6 1101110 7 1101111 8 1111101000 9 1111101001 10 1111110010 11 1111110011 12 10001001100 13 10001001101 14 10001010110 15 10001010111 16 10011100010000 17 10011100010001 18 10011100011010 19 10011100011011