# A012678 (b-file synthesized from sequence entry)
0 2
1 -16
2 440
3 -25856
4 2702368
5 -442400000
6 104680527744
7 -33826438987776
8 14318658795815424
9 -7689929339111084032
10 5108988246588765059072
11 -4113772753950316528205824
12 3947181962951541949825294336