# A129418 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 1
4 4
5 7
6 24
7 60
8 240
9 930
10 4701
11 26637
12 178569
13 1339529
14 11187064
15 101871881
16 1002594996
17 10574095327
18 118850827173
19 1417140114336
20 17860018997346
21 237160827107408
22 3309078044759285
23 48396906463199522
24 740331404753448181
25 11821525310570525197