# A352887 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 14
4 84
5 634
6 5740
7 60626
8 731852
9 9938670
10 149966116
11 2489148386
12 45070961740
13 884107377360
14 18676602726734
15 422721143355808
16 10205605681874952
17 261789688633794528
18 7110331886095458918
19 203848868169846041430
20 6151813078359073154568