# A012005 (b-file synthesized from sequence entry)
0 -1
1 -2
2 14
3 568
4 9704
5 -229712
6 -35581456
7 -1790014592
8 72312646784
9 28603722780928
10 3039116082823424
11 -154149928667313152
12 -135793191600734657536
13 -25782484156469234296832