# A174833 (b-file synthesized from sequence entry)
0 1
1 2
2 2
3 6
4 3
5 -5
6 -2
7 24
8 -16
9 -64
10 -24
11 120
12 -350
13 -679
14 -151
15 74
16 16
17 720
18 -5076
19 -6746
20 1198
21 2692
22 544
23 5040
24 -73332
25 -55628
26 80239
27 68081
28 8858
29 -2000
30 -272
31 40320
32 -1135296
33 -18712
34 2522252
35 1417588
36 -83312
37 -155392
38 -19840
39 362880