# A012028 (b-file synthesized from sequence entry)
0 1
1 1
2 -7
3 121
4 -3823
5 186961
6 -12464695
7 967217161
8 -51115216735
9 -15922673810399
10 12685061907297305
11 -7463929930799687399
12 4531120544938557395633
13 -3032728078954072676445839