# A343278 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 3
4 7
5 25
6 90
7 350
8 1701
9 6951
10 42525
11 179487
12 1323652
13 5715424
14 49329280
15 216627840
16 2141764053
17 9528822303
18 106175395755
19 477297033785
20 5917584964655
21 26826851689001
22 366282500870286
23 1672162773483930
24 24930204590758260
25 114485073343744260