# A371200 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 0
4 24
5 120
6 0
7 2520
8 80640
9 907200
10 4838400
11 79833600
12 2395008000
13 40994553600
14 515804889600
15 10025503488000
16 286642221465600
17 6669139276800000
18 133382785536000000
19 3254006435936256000
20 98762305409703936000
21 2851300331032817664000