# A012437 (b-file synthesized from sequence entry)
0 2
1 -4
2 278
3 -6984
4 906282
5 -72406860
6 16769884350
7 -2791769139600
8 1025112403117650
9 -291983305370462100
10 156358879820283153510
11 -68012449387139352098520
12 50073830528033335130526330