# A089087 (b-file synthesized from sequence entry)
0 1
1 1
2 -1
3 2
4 -4
5 1
6 6
7 -18
8 12
9 -1
10 24
11 -96
12 108
13 -32
14 1
15 120
16 -600
17 960
18 -540
19 80
20 -1
21 720
22 -4320
23 9000
24 -7680
25 2430
26 -192
27 1
28 5040
29 -35280
30 90720
31 -105000
32 53760
33 -10206
34 448
35 -1
36 40320
37 -322560
38 987840
39 -1451520
40 1050000
41 -344064
42 40824
43 -1024
44 1
45 362880
46 -3265920
47 11612160
48 -20744640
49 19595520