# A142156 (b-file synthesized from sequence entry)
0 1
1 1
2 -1
3 2
4 -1
5 -1
6 6
7 -2
8 -1
9 -3
10 24
11 -6
12 -2
13 -3
14 -13
15 120
16 -24
17 -6
18 -6
19 -13
20 -71
21 720
22 -120
23 -24
24 -18
25 -26
26 -71
27 -461
28 5040
29 -720
30 -120
31 -72
32 -78
33 -142
34 -461
35 -3447
36 40320
37 -5040
38 -720
39 -360
40 -312
41 -426
42 -922
43 -3447
44 -29093
45 362880
46 -40320
47 -5040
48 -2160
49 -1560