# A189855 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 24
5 60
6 208
7 1184
8 7840
9 36036
10 209664
11 1395480
12 10996728
13 83573220
14 723835856
15 7132494776
16 77976981216
17 790552134804