# A148126 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 11
5 26
6 75
7 216
8 656
9 1950
10 6394
11 20193
12 66477
13 219595
14 751938
15 2514386
16 8774087
17 30337633
18 106836045
19 374070118
20 1345890867
21 4774149535
22 17280927737
23 62313709836
24 227984366294
25 827225060479
26 3057313053045
27 11215364858889
28 41639840450091
29 153962548708726
30 576444836942769
31 2143059863393340