# A209937 (b-file synthesized from sequence entry)
1 1
2 2
3 14
4 164
5 2692
6 56832
7 1466656
8 44735392
9 1574507104
10 62807331520
11 2800211567936
12 137988945383808
13 7447519816062848
14 436913348544200192
15 27682538499602786816
16 1883880221782019929088
17 137046014280583363879936
18 10612885049611654523670528