# A094485 (b-file synthesized from sequence entry)
1 -1
2 2
3 -2
4 -6
5 9
6 -3
7 24
8 -44
9 24
10 -4
11 -120
12 250
13 -175
14 50
15 -5
16 720
17 -1644
18 1350
19 -510
20 90
21 -6
22 -5040
23 12348
24 -11368
25 5145
26 -1225
27 147
28 -7
29 40320
30 -104544
31 105056
32 -54152
33 15680
34 -2576
35 224
36 -8
37 -362880
38 986256
39 -1063116
40 605556
41 -202041
42 40824
43 -4914
44 324
45 -9
46 3628800
47 -10265760
48 11727000
49 -7236800