# A102917 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 3
4 7
5 36
6 139
7 1036
8 5711
9 56355
10 408354
11 5045370
12 45605881
13 679409158
14 7390305396
15 129195427716
16 1647470410551
17 33114233390505
18 485292763088275
19 11038606786054201
20 183049273155939442
21 4652371578279864792