# A032226 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 4
5 8
6 38
7 206
8 1200
9 7244
10 55112
11 581908
12 5247184
13 55925292
14 639349432
15 8767780308
16 118799034792
17 1747194021920
18 27367319522424
19 460554745080200
20 8173026498677400
21 152080799760722664