# A347946 (b-file synthesized from sequence entry)
1 0
2 0
3 1
4 2
5 4
6 24
7 48
8 0
9 4032
10 17280
11 5400
12 0
13 518400
14 415134720
15 0
16 0
17 1797120
18 6467044147200
19 39086530560
20 0
21 0
22 1738201006080000
23 10247897088
24 0
25 9632530575360000
26 706822057112371200000
27 569299069913333760000
28 0
29 54538738974720000
30 0