# A012433 (b-file synthesized from sequence entry)
0 2
1 -4
2 38
3 -264
4 9162
5 6423540
6 -875983890
7 380802735600
8 -91040517107310
9 46795149700613100
10 -17544576509662829130
11 11815590123153714787560
12 -6408554682643734028619430
13 5614434324236056272171194340