# A259057 (b-file synthesized from sequence entry)
1 -1
2 20
3 -560
4 20160
5 -887040
6 46126080
7 -2767564800
8 188194406400
9 -14302774886400
10 1201433090457600
11 -110531844322099200
12 11053184432209920000
13 -1193743918678671360000
14 138474294566725877760000
15 -17170812526274008842240000