# A133437 (b-file synthesized from sequence entry)
1 1
2 -2
3 12
4 -6
5 -120
6 120
7 -24
8 1680
9 -2520
10 360
11 720
12 -120
13 -30240
14 60480
15 -20160
16 -20160
17 5040
18 5040
19 -720
20 665280
21 -1663200
22 907200
23 604800
24 -60480
25 -362880
26 -181440
27 20160
28 40320
29 40320
30 -5040
31 -17297280
32 51891840
33 -39916800
34 -19958400
35 6652800
36 19958400
37 6652800
38 -1814400
39 -1814400
40 -3628800
41 -1814400
42 362880
43 362880
44 362880
45 -40320