# A143582 (b-file synthesized from sequence entry)
1 1
2 3
3 20
4 56
5 576
6 1408
7 6656
8 5120
9 278528
10 622592
11 2752512
12 6029312
13 52428800
14 113246208
15 486539264
16 1040187392
17 11811160064
18 15032385536
19 317827579904
20 223338299392
21 5634997092352
22 11819749998592
23 3298534883328