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A217272
as a simple table
n
a(n)
1
32
2
142129
3
402494400
4
1117092569476
5
3080781263731464
6
8491624540729737796
7
23397344246732649325860
[32,142129,402494400,1117092569476, 3080781263731464,8491624540729737796, 23397344246732649325860]