# A182224 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 7
4 35
5 220
6 1622
7 13480
8 123212
9 1218694
10 12898292
11 144890911
12 1717072304
13 21367220392
14 278174617499
15 3777454890226
16 53372573914742
17 783004637781214
18 11905653060557285
19 187325244287570431
20 3045651218248945454
21 51103551998888439679
22 883901254149820933025