# A096877 (b-file synthesized from sequence entry)
0 1
1 -2
2 -10
3 0
4 -130
5 256
6 236
7 0
8 -22730
9 81920
10 327668
11 0
12 777260
13 0
14 -7180840
15 0
16 -1051237338
17 4362076160
18 22662123300
19 0
20 227431418372
21 -549755813888
22 -1598030872600
23 0
24 -7086115747780
25 -32435593019392
26 -311555637408376
27 0