# A012996 (b-file synthesized from sequence entry)
0 1
1 -4
2 88
3 -5110
4 553160
5 -96580250
6 24721393700
7 -8728515353350
8 4063560953062000
9 -2412185091080859250
10 1778146182982493577500
11 -1593628484999043797378750
12 1706481881516410825432385000