# A199970 (b-file synthesized from sequence entry)
1 0
2 3
3 4
4 6
5 12
6 0
7 60
8 420
9 840
10 0
11 2520
12 0
13 27720
14 0
15 0
16 360360
17 720720
18 0
19 12252240
20 0
21 0
22 0
23 232792560
24 0
25 5354228880
26 0
27 26771144400
28 0
29 80313433200
30 0
31 2329089562800
32 72201776446800
33 0
34 0
35 0
36 0
37 144403552893600
38 0
39 0
40 0
41 5342931457063200
42 0
43 219060189739591200