# A138804 (b-file synthesized from sequence entry)
1 0
2 1
3 2
4 8
5 25
6 77
7 236
8 721
9 2198
10 6698
11 20408
12 62173
13 189414
14 577055
15 1758012
16 5355828
17 16316664
18 49709120
19 151440064
20 461365896
21 1405562597
22 4282081163
23 13045466011
24 39743334364
25 121079049617
26 168870314746