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A231991 as a simple table

n a(n)
1 4
2 32
3 1024
4 80511
5 15594601
6 9716967198
7 17330552348004
8 86052358301456560
9 1193370539733163272100
10 47736311347811120780540634
11 5427560264549933547128560973449
12 1747506522236821289436659004322720324

[4,32,1024,80511,15594601,9716967198,
 17330552348004,86052358301456560,
 1193370539733163272100,47736311347811120780540634,
 5427560264549933547128560973449,
 1747506522236821289436659004322720324]

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Last modified October 24 01:18 EDT 2021. Contains 348217 sequences. (Running on oeis4.)