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A111155 as a simple table

n a(n)
3 120
4 4320
5 277200
6 25945920
7 3632428800
8 670442572800
9 140792940288000

[120,4320,277200,25945920,3632428800,670442572800,
 140792940288000]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)