# A012544 (b-file synthesized from sequence entry)
0 1
1 0
2 -12
3 -240
4 1680
5 660480
6 39530304
7 -3855231744
8 -1466146656000
9 -147651751649280
10 43245441015313408
11 21785411128189063168
12 453349606338812022784
13 -4374564365537166405795840