# A353227 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 0
4 24
5 0
6 0
7 2520
8 20160
9 0
10 1209600
11 19958400
12 79833600
13 1556755200
14 39956716800
15 326918592000
16 5056340889600
17 148203095040000
18 1867358997504000
19 30411275102208000
20 946128558735360000
21 15965919428659200000
22 293266062902292480000