# A105481 (b-file synthesized from sequence entry)
5 1
6 5
7 30
8 175
9 1050
10 6552
11 42630
12 289410
13 2049300
14 15120105
15 116090975
16 926248050
17 7668746540
18 65793760060
19 584151925320
20 5360347320420
21 50776288702215
22 495946245776940
23 4989391837053085
24 51648932225779735
25 549620905409062872