# A357967 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 0
4 24
5 0
6 0
7 2520
8 20160
9 0
10 604800
11 19958400
12 79833600
13 259459200
14 25427001600
15 326918592000
16 1046139494400
17 44460928512000
18 1333827855360000
19 10306043229081600
20 125024130975744000
21 6386367771463680000
22 101695303941783552000
23 861733891296165888000