# A148587 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 6
4 20
5 54
6 197
7 606
8 2327
9 7790
10 31007
11 109983
12 449032
13 1661627
14 6916014
15 26432615
16 111689208
17 437872815
18 1872854711
19 7494986572
20 32380670287
21 131800276738
22 574239393129
23 2370817824876
24 10403919136964
25 43476364103039
26 191976353694999
27 810631010434670
28 3598904531548287