# A347281 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 0
5 36
6 288
7 144
8 18432
9 11664
10 115200
11 144400
12 0
13 808151184
14 133693952
15 262440000
16 299649466368
17 7937314520976
18 73575242956800
19 21204146201616
20 6459752448000000
21 212406372892224
22 8753824001424826368
23 195844025123172289600
24 152252829159294763008
25 26487254903393025000000