# A159597 (b-file synthesized from sequence entry)
0 1
1 1
2 7
3 37
4 245
5 2094
6 24661
7 410376
8 9809637
9 334520167
10 16192227784
11 1107914634442
12 106788033119369
13 14525652771018918
14 2780328926392863928
15 751651711717655433750
16 286240041470280077141769