# A089505 (b-file synthesized from sequence entry)
1 1
2 -1
3 4
4 1
5 -24
6 50
7 -1
8 114
9 -950
10 1350
11 31
12 -15504
13 400520
14 -1897200
15 2052855
16 -9269
17 19612560
18 -1431859000
19 17333030000
20 -56265334125
21 49236404224
22 342953
23 -3011508588
24 594221485000
25 -16634292228125
26 123422029355625
27 -302409994743808
28 222337901418633
29 -9945637