# A261237 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 13
5 34
6 92
7 251
8 687
9 1885
10 5184
11 14292
12 39557
13 110094
14 308351
15 868716
16 2458964
17 6984467
18 19890809
19 56775186
20 162427605
21 465816503
22 1339163192
23 3858600035
24 11138726760
25 32199805820