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A172698 as a simple table

n a(n)
1 991
2 31091880269520
3 1392491976667637592480814080
4 8412911327063605695441946427825386408857600
5 2054966035616319299085926097126189858441720582082825402368000 

[991,31091880269520,1392491976667637592480814080,
 8412911327063605695441946427825386408857600,
 20549660356163192990859260971261898584417205820828\
 25402368000]

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Last modified May 7 14:53 EDT 2024. Contains 372310 sequences. (Running on oeis4.)