# A193663 (b-file synthesized from sequence entry)
0 0
1 1
2 1
3 9
4 17
5 80
6 198
7 748
8 2107
9 7236
10 21680
11 71279
12 219879
13 708436
14 2215513
15 7071210
16 22256567
17 70723367
18 223272153
19 708017329
20 2238347440
21 7091170416
22 22433032016