# A055925 (b-file synthesized from sequence entry)
1 -1
2 1
3 0
4 -2
5 0
6 1
7 6
8 0
9 -6
10 1
11 -24
12 0
13 35
14 -10
15 -2
16 120
17 0
18 -225
19 85
20 30
21 -9
22 -720
23 0
24 1624
25 -735
26 -350
27 189
28 -9
29 5040
30 0
31 -13132
32 6769
33 3920
34 -2898
35 252
36 50
37 -40320
38 0
39 118124
40 -67284
41 -44898
42 40824
43 -4914
44 -1800
45 267
46 362880
47 0
48 -1172700
49 723680