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A028918 as a simple table

n a(n)
1 3
2 252
3 113400
4 141523200
5 373621248000
6 1788898535424000
7 14050009097220096000
8 168600109166641152000000
9 2931618698189556350976000000
10 70886540122223472566599680000000
11 2306506242496907350372020387840000000
12 98312522080188178902256997011292160000000 

[3,252,113400,141523200,373621248000,
 1788898535424000,14050009097220096000,
 168600109166641152000000,
 2931618698189556350976000000,
 70886540122223472566599680000000,
 2306506242496907350372020387840000000,
 98312522080188178902256997011292160000000]

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Last modified April 19 02:45 EDT 2024. Contains 371782 sequences. (Running on oeis4.)