# A105034 (b-file synthesized from sequence entry)
0 0
1 1
2 0
3 11
4 10
5 1
6 100
7 111
8 110
9 101
10 0
11 1011
12 1010
13 1001
14 1100
15 1111
16 1110
17 1101
18 1000
19 11
20 10010
21 10001
22 10100
23 10111
24 10110
25 10101
26 10000
27 11011
28 11010
29 11001
30 11100
31 11111
32 11110
33 11101
34 11000
35 10011
36 10
37 100001
38 100100
39 100111
40 100110