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A171297
as a simple table
n
a(n)
1
23
2
529
3
12144
4
278134
5
6387409
6
146525734
7
3359594143
8
77075315653
9
1767474484023
[23,529,12144,278134,6387409,146525734,3359594143, 77075315653,1767474484023]