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A272980 as a simple table

n a(n)
1 2
2 60
3 1056
4 1260
5 1441440
6 551350800
7 42226984800
8 111924212400
9 11251629148359600
10 284440457440339200
11 582249616380374342400
12 621260340677859423340800
13 621260340677859423340800
14 921088919608373507667359523840000000 

[2,60,1056,1260,1441440,551350800,42226984800,
 111924212400,11251629148359600,284440457440339200,
 582249616380374342400,621260340677859423340800,
 621260340677859423340800,
 921088919608373507667359523840000000]

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Last modified April 19 11:14 EDT 2024. Contains 371791 sequences. (Running on oeis4.)