# A147757 (b-file synthesized from sequence entry)
1 1
2 11
3 101
4 1001
5 10101
6 101101
7 1011101
8 10111101
9 101111101
10 1011111101
11 10111111101
12 101111111101
13 1011111111101
14 10111111111101
15 101111111111101
16 1011111111111101
17 10111111111111101
18 101111111111111101