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A171287
as a simple table
n
a(n)
1
13
2
169
3
2185
4
28141
5
364144
6
4697950
7
60538918
8
781156177
9
10068991557
10
129765567556
[13,169,2185,28141,364144,4697950,60538918, 781156177,10068991557,129765567556]