# A120581 (b-file synthesized from sequence entry)
0 1
1 4
2 -64
3 -28672
4 -17825792
5 -24696061952
6 -4398046511104
7 6413125869375586304
8 1279761316857673852911616
9 565738597953418785628899770368
10 372547299599873882347063111621541888
11 -5264848781000759906705331926184317767647232