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A205362
as a simple table
n
a(n)
1
256
2
31848
3
17552984
4
50678667832
5
816001498671156
6
67662059756253796792
7
27502351524660234481657420
[256,31848,17552984,50678667832,816001498671156, 67662059756253796792,27502351524660234481657420]