# A219859 (b-file synthesized from sequence entry)
0 1
1 1
2 0
3 2
4 2
5 0
6 6
7 18
8 3
9 0
10 24
11 144
12 84
13 4
14 0
15 120
16 1200
17 1500
18 300
19 5
20 0
21 720
22 10800
23 23400
24 10800
25 930
26 6
27 0
28 5040
29 105840
30 352800
31 294000
32 63210
33 2646
34 7
35 0
36 40320
37 1128960
38 5362560
39 7056000
40 2857680
41 324576
42 7112
43 8
44 0
45 362880
46 13063680
47 83825280
48 160030080
49 105099120
50 23496480
51 1524600
52 18360
53 9
54 0