# A089515 (b-file synthesized from sequence entry)
1 1
2 -1
3 5
4 1
5 -35
6 90
7 -3
8 595
9 -6885
10 12005
11 143
12 -150535
13 6175845
14 -39484445
15 52245760
16 -58201
17 316465625
18 -42458934375
19 772604284375
20 -3322503800000
21 3547818864576
22 216931
23 -6012846875
24 2544269990625
25 -120371747505625
26 1294115230100000
27 -4145626343257056
28 3713894747640000