# A061922 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 14
5 42
6 132
7 421
8 1382
9 4478
10 15580
11 54114
12 181676
13 650484
14 2289320
15 8028901
16 28045302
17 103229014
18 372640460
19 1336511110
20 4882492452
21 17534836812
22 63692926552
23 234287550818
24 868236370364
25 3281589811404