# A354317 (b-file synthesized from sequence entry)
0 1
1 0
2 -1
3 3
4 -8
5 20
6 -34
7 -126
8 2514
9 -28008
10 285774
11 -2922810
12 30858048
13 -339954264
14 3920819748
15 -47319853140
16 596005041852
17 -7799132781792
18 105344546511684
19 -1454910026870412
20 20242465245436128
21 -276289562032117200
22 3490199850169557480