# A012426 (b-file synthesized from sequence entry)
0 2
1 -12
2 70
3 2856
4 -164342
5 -26727140
6 9513652174
7 -1509132606128
8 -24850989613038
9 96289752279508804
10 -8229825010792301226
11 -30295913573130207257992
12 26332910393982197524318746