# A318121 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 15
4 65
5 269
6 1205
7 5325
8 24064
9 108849
10 496790
11 2275492
12 10470720
13 48325984
14 223721404
15 1038182441
16 4828274432
17 22497132116
18 105001996350
19 490816448220
20 2297356108318
21 10766317435860
22 50511178395306
23 237217429972191
24 1115084064063866
25 5246116796164594