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A227609 as a simple table

n a(n)
2 -1
3 1
4 -4
5 -16
6 -27
7 441
8 -1024
9 -1024
10 34445
11 -13778944
12 82719025
13 48841786125
14 -67649929216
15 -564926611456
16 -153908556861703
17 -25481517249593344
18 2456184022341328125
19 -399780402627654713344
20 -14448269983744
21 -214168150727821285287075

[-1,1,-4,-16,-27,441,-1024,-1024,34445,-13778944,
 82719025,48841786125,-67649929216,-564926611456,
 -153908556861703,-25481517249593344,
 2456184022341328125,-399780402627654713344,
 -14448269983744,-214168150727821285287075]

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Last modified August 13 14:10 EDT 2024. Contains 375142 sequences. (Running on oeis4.)