# A205504 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 11
5 27
6 92
7 252
8 906
9 2787
10 10191
11 31594
12 125998
13 393021
14 1535964
15 5161328
16 20221291
17 66306664
18 273756969
19 897440988
20 3664037417
21 12621555612
22 50496343297
23 170909672792
24 725703552284
25 2427269270146
26 9982179588261
27 35179417316991
28 143999051236064