# A128014 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 2
4 6
5 6
6 20
7 20
8 70
9 70
10 252
11 252
12 924
13 924
14 3432
15 3432
16 12870
17 12870
18 48620
19 48620
20 184756
21 184756
22 705432
23 705432
24 2704156
25 2704156
26 10400600
27 10400600
28 40116600
29 40116600
30 155117520
31 155117520
32 601080390
33 601080390