# A128015 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 3
4 10
5 10
6 35
7 35
8 126
9 126
10 462
11 462
12 1716
13 1716
14 6435
15 6435
16 24310
17 24310
18 92378
19 92378
20 352716
21 352716
22 1352078
23 1352078
24 5200300
25 5200300
26 20058300
27 20058300
28 77558760
29 77558760
30 300540195
31 300540195