# A304330 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 0
4 1
5 12
6 0
7 1
8 60
9 360
10 0
11 1
12 252
13 5040
14 20160
15 0
16 1
17 1020
18 52920
19 604800
20 1814400
21 0
22 1
23 4092
24 506880
25 12640320
26 99792000
27 239500800
28 0
29 1
30 16380
31 4684680
32 230630400
33 3632428800
34 21794572800
35 43589145600
36 0
37 1
38 65532
39 42653520
40 3952428480