# A331473 (b-file synthesized from sequence entry)
0 1
1 3
2 12
3 44
4 166
5 626
6 2377
7 9063
8 34695
9 133265
10 513381
11 1982763
12 7674937
13 29767223
14 115655452
15 450067268
16 1753894162
17 6843602438
18 26734398172
19 104548010228
20 409243597192
21 1603372802888
22 6286998311062
23 24670701224714
24 96877958811586
25 380673221064366