# A148789 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 8
4 25
5 77
6 252
7 848
8 2894
9 10064
10 35290
11 125487
12 450179
13 1626087
14 5916476
15 21633851
16 79579418
17 294022842
18 1090624361
19 4061006824
20 15168490711
21 56843270546
22 213593833242
23 804616157278
24 3038263114399
25 11496594775537
26 43593624433215
27 165604694730541
28 630191189599674
29 2402056664402975