# A157395 (b-file synthesized from sequence entry)
1 1
2 1
3 5
4 1
5 15
6 20
7 1
8 105
9 80
10 60
11 1
12 425
13 1200
14 300
15 120
16 1
17 3075
18 10400
19 5400
20 720
21 120
22 1
23 15855
24 102200
25 75600
26 15120
27 840
28 0
29 1
30 123515
31 1149120
32 907200
33 241920
34 20160
35 0
36 0
37 1
38 757755
39 12783680
40 13426560
41 3719520
42 362880