# A012436 (b-file synthesized from sequence entry)
0 1
1 0
2 -12
3 120
4 -7728
5 358080
6 -54956352
7 5983845504
8 -1674895273728
9 331567748941824
10 -147083657045302272
11 46138766175213803520
12 -29742693904194176593920
13 13565163573403491059712000