# A376441 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 12
4 0
5 120
6 10800
7 3360
8 766080
9 56064960
10 76507200
11 12988926720
12 885913459200
13 3162288729600
14 477701680135680
15 31728803730624000
16 230820218044416000
17 32828647402065715200
18 2173902177236319129600
19 27658882036996206796800
20 3801535675181689116672000
21 255228267875636473786368000