# A138144 (b-file synthesized from sequence entry)
1 1
2 11
3 111
4 1111
5 11011
6 110011
7 1100011
8 11000011
9 110000011
10 1100000011
11 11000000011
12 110000000011
13 1100000000011
14 11000000000011
15 110000000000011
16 1100000000000011
17 11000000000000011
18 110000000000000011