# A174186 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 6
5 1
6 1
7 30
8 30
9 1
10 1
11 240
12 1200
13 240
14 1
15 1
16 1560
17 62400
18 62400
19 1560
20 1
21 1
22 10920
23 2839200
24 22713600
25 2839200
26 10920
27 1
28 1
29 74256
30 135145920
31 7027587840
32 7027587840
33 135145920
34 74256
35 1
36 1
37 510510
38 6318071760
39 2299778120640