# A108071 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 4
5 8
6 21
7 53
8 151
9 458
10 1477
11 4918
12 16956
13 59494
14 212364
15 766753
16 2796876
17 10284793
18 38096072
19 141998218
20 532301941
21 2005638293
22 7592441954
23 28865031086
24 110174528925
25 422064799013
26 1622379252093