# A191462 (b-file synthesized from sequence entry)
0 1
1 1
2 0
3 6
4 12
5 100
6 780
7 -1092
8 43344
9 48816
10 1264320
11 24662880
12 -162851040
13 4327633440
14 -17686783296
15 275230488960
16 3743721112320
17 -70886371933440
18 2127136959383040
19 -25991855154846720
20 402985066993459200