# A013141 (b-file synthesized from sequence entry)
0 2
1 -12
2 232
3 -8960
4 580480
5 -57192960
6 8028368896
7 -1530617461760
8 381866595811328
9 -120993556601405440
10 47505188434021777408
11 -22644967739703901421568
12 12882783407125570011004928