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A131592 as a simple table

n a(n)
0 4
1 4
2 87
3 86606
4 204330315
5 792563962432
6 4719861842243387
7 41451006295401961098

[4,4,87,86606,204330315,792563962432,
 4719861842243387,41451006295401961098]

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Last modified April 24 17:10 EDT 2024. Contains 371962 sequences. (Running on oeis4.)