A159600 - OEIS

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A159600 as a simple table

n	a(n)
0	1
1	-1
2	3
3	-27
4	441
5	-11529
6	442827
7	-23444883
8	1636819569
9	-145703137041
10	16106380394643
11	-2164638920874507
12	347592265948756521
13	-65724760945840254489
14	14454276753061349098587

[1,-1,3,-27,441,-11529,442827,-23444883, 1636819569,-145703137041,16106380394643, -2164638920874507,347592265948756521, -65724760945840254489,14454276753061349098587]