# A077812 (b-file synthesized from sequence entry)
1 1
2 10
3 11
4 10
5 101
6 110
7 111
8 10
9 1001
10 1010
11 1011
12 110
13 1101
14 1110
15 1111
16 10
17 10001
18 10010
19 10011
20 1010
21 10101
22 10110
23 10111
24 110
25 11001
26 11010
27 1001
28 1110
29 11101
30 11110
31 11111
32 10
33 100001
34 100010
35 100011
36 10010
37 100101
38 100110
39 100111
40 1010