# A037090 (b-file synthesized from sequence entry)
0 1
1 10
2 11
3 101
4 110
5 1001
6 10001
7 10010
8 10011
9 100001
10 100010
11 100011
12 100101
13 100110
14 101001
15 110001
16 110010
17 1000001
18 10000001
19 100000001
20 100000010
21 100000011
22 100000101
23 100000110
24 100001001
25 100010001
26 100010010
27 100010011