# A081150 (b-file synthesized from sequence entry)
0 0
1 0
2 1
3 1
4 3
5 6
6 18
7 37
8 95
9 212
10 528
11 1226
12 2936
13 6822
14 16212
15 38081
16 90717
17 215414
18 516358