# A032073 (b-file synthesized from sequence entry)
1 1
2 1
3 4
4 17
5 186
6 1552
7 19251
8 218745
9 3156250
10 45156986
11 759167421
12 13081892540
13 253473235549
14 5105981313721
15 112582925665944
16 2594769928231945
17 64333665380435714
18 1669153290412964962
19 46044314009644973181
20 1327862271936474871422
21 40379182417276002300375