# A121332 (b-file synthesized from sequence entry)
5 0
6 1
7 5
8 20
9 71
10 235
11 753
12 2345
13 7190
14 21753
15 65188
16 193834
17 527743
18 1683615
19 4927394
20 14367845
21 41761634
22 121052806
23 350049108
24 1010123293
25 2909478000