# A150642 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 27
4 117
5 520
6 2396
7 11199
8 53136
9 254408
10 1227523
11 5956859
12 29040155
13 142098258
14 697385628
15 3431103163
16 16915366120
17 83536683684
18 413145595520
19 2045816294991
20 10141226779344
21 50316618894831
22 249848483114181
23 1241486519196133
24 6172626949421675
25 30706411193661198
26 152824177993151011