# A012986 (b-file synthesized from sequence entry)
0 2
1 -9
2 105
3 -4095
4 235305
5 -24792075
6 3350672325
7 -682570263375
8 167108397080625
9 -55823919598321875
10 21575234944726588125
11 -10710021193954531824375
12 5999211692915481431015625