# 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