# A148805 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 8
4 26
5 83
6 289
7 999
8 3600
9 12955
10 47849
11 176552
12 661939
13 2482659
14 9412263
15 35707725
16 136454697
17 521967439
18 2007069109
19 7725358220
20 29848113425
21 115440484663
22 447751809956
23 1738330224040
24 6763528650892
25 26339260716779
26 102749051187162
27 401150111109149
28 1568301977278095