# A049352 (b-file synthesized from sequence entry)
1 1
2 4
3 1
4 20
5 12
6 1
7 120
8 128
9 24
10 1
11 840
12 1400
13 440
14 40
15 1
16 6720
17 16240
18 7560
19 1120
20 60
21 1
22 60480
23 201600
24 129640
25 27720
26 2380
27 84
28 1
29 604800
30 2681280
31 2275840
32 656320
33 80080
34 4480
35 112
36 1
37 6652800
38 38142720
39 41370560
40 15402240
41 2498160
42 196560