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A291331 as a simple table

n a(n)
0 1
1 2
2 80
3 152064
4 31832735744
5 1278532180456243200
6 15158097871912903189326725120
7 75553979800594222861911290918096439607296
8 213679399657239557797941463213636090471439135194537263104 

[1,2,80,152064,31832735744,1278532180456243200,
 15158097871912903189326725120,
 75553979800594222861911290918096439607296,
 21367939965723955779794146321363609047143913519453\
 7263104]

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Last modified May 4 03:52 EDT 2024. Contains 372225 sequences. (Running on oeis4.)