# A246426 (b-file synthesized from sequence entry)
2 1
3 2
4 12
5 35
6 266
7 2486
8 28781
9 409929
10 6824303
11 130615525
12 2846762052
13 69481280019
14 1875107560799
15 55466043249309
16 1791220240413582
17 62561482660495103
18 2351822439519905841
19 94645194753881075173
20 4053272062427790574310
21 185031225489554592624010