# A137660 (b-file synthesized from sequence entry)
1 0
2 1
3 0
4 -4
5 0
6 4
7 0
8 -64
9 0
10 -320
11 0
12 384
13 0
14 -7680
15 0
16 -26880
17 0
18 -161280
19 0
20 195840
21 0
22 -3096576
23 0
24 -10321920
25 0
26 -43352064
27 0
28 -263208960
29 0
30 319979520
31 0
32 -3096576000
33 0
34 -10218700800
35 0
36 -40874803200
37 0
38 -173717913600
39 0
40 -1055932416000
41 0
42 1283840409600