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A202684
as a simple table
n
a(n)
1
4
2
904
3
224764
4
39506424
5
1901127404
6
12092687195284
7
98588916749684
[4,904,224764,39506424,1901127404,12092687195284, 98588916749684]
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Last modified May 5 22:20 EDT 2024. Contains 372290 sequences. (Running on oeis4.)