# A137437 (b-file synthesized from sequence entry)
1 1
2 0
3 0
4 0
5 -2
6 0
7 6
8 0
9 -24
10 0
11 120
12 40
13 0
14 -720
15 -420
16 0
17 5040
18 3948
19 0
20 -40320
21 -38304
22 -2240
23 0
24 362880
25 396576
26 50400