# A357832 (b-file synthesized from sequence entry)
0 0
1 1
2 1
3 2
4 8
5 44
6 290
7 2194
8 18690
9 177072
10 1848048
11 21079332
12 260998584
13 3487438476
14 50030096844
15 767092681992
16 12520306878720
17 216760973139072
18 3967857438205320
19 76575231882844056
20 1553981718941428824
21 33082675130470434336
22 737250032464248840192