# A012118 (b-file synthesized from sequence entry)
0 1
1 -2
2 24
3 -664
4 36096
5 -3054336
6 389859456
7 -67637286144
8 15712242647040
9 -4624447960903680
10 1704772464238264320
11 -762137182003035340800
12 409146648871581200056320
13 -258451658825083238747013120