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A156631 as a simple table

n a(n)
0 1
1 4
2 64
3 3072
4 466944
5 283115520
6 814634500096
7 10734635101192192
8 601470215201514061824
9 138785509787119430915850240
10 130376354694095237162362352959488 

[1,4,64,3072,466944,283115520,814634500096,
 10734635101192192,601470215201514061824,
 138785509787119430915850240,
 130376354694095237162362352959488]

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Last modified May 4 12:48 EDT 2024. Contains 372243 sequences. (Running on oeis4.)