# A012096 (b-file synthesized from sequence entry)
0 1
1 1
2 -3
3 69
4 -2503
5 177481
6 -18539595
7 2813939725
8 -573509386895
9 152349815266705
10 -50966873710838675
11 20993994712780457685
12 -10435138367654204994135
13 6159973489221376775016665