# A012218 (b-file synthesized from sequence entry)
0 1
1 -5
2 129
3 -7741
4 830529
5 -139115349
6 33466193409
7 -10924199283981
8 4643317555286145
9 -2490727724722757925
10 1645111995753399461505
11 -1311624218654589461390685
12 1241813393715548870981284545