# A012374 (b-file synthesized from sequence entry)
0 1
1 0
2 -12
3 -120
4 4368
5 327360
6 -762432
7 -2379861120
8 -176278202112
9 34929443235840
10 10554181240931328
11 -234919154252175360
12 -852275452306594394112
13 -157606057918154970808320