# A161121 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 0
4 1
5 6
6 0
7 9
8 24
9 0
10 72
11 0
12 9
13 120
14 0
15 600
16 0
17 225
18 720
19 0
20 5400
21 0
22 4050
23 0
24 225
25 5040
26 0
27 52920
28 0
29 66150
30 0
31 11025
32 40320
33 0
34 564480
35 0
36 1058400
37 0
38 352800
39 0
40 11025
41 362880
42 0
43 6531840
44 0
45 17146080
46 0
47 9525600
48 0
49 893025
50 3628800
51 0
52 81648000
53 0