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A193610
as a simple table
n
a(n)
1
3
2
27
3
729
4
59240
5
14349636
6
10460353203
7
22876792454961
8
150094635296999121
9
2954312847295467367104
[3,27,729,59240,14349636,10460353203, 22876792454961,150094635296999121, 2954312847295467367104]