# A167556 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 2
5 6
6 2
7 6
8 24
9 4
10 8
11 24
12 120
13 0
14 48
15 24
16 120
17 720
18 -120
19 384
20 72
21 144
22 720
23 5040
24 -1680
25 3696
26 -432
27 1296
28 720
29 5040
30 40320
31 -20160
32 40320
33 -15840
34 17280
35 2880
36 5760
37 40320
38 362880
39 -241920
40 483840
41 -311040
42 288000
43 -46080
44 69120
45 40320