# A046900 (b-file synthesized from sequence entry)
0 1
1 -1
2 1
3 1
4 -3
5 2
6 1
7 3
8 -10
9 6
10 -1
11 9
12 10
13 -42
14 24
15 -17
16 21
17 50
18 42
19 -216
20 120
21 -107
22 -33
23 230
24 294
25 216
26 -1320
27 720
28 -415
29 -1173
30 670
31 1974
32 1944
33 1320
34 -9360
35 5040
36 1231
37 -13515
38 -4510
39 11130
40 17064
41 14520
42 9360
43 -75600
44 40320
45 56671
46 -113739
47 -131230
48 20202
49 136296
50 157080
51 121680
52 75600