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A208651 as a simple table

n a(n)
1 1
2 2
3 12
4 216
5 11520
6 1800000
7 816480000
8 1067311728000
9 3996990937497600
10 42672954793151692800
11 1293547461212160000000000
12 110950032218933108678400000000
13 26847804299643702075375747072000000

[1,2,12,216,11520,1800000,816480000,1067311728000,
 3996990937497600,42672954793151692800,
 1293547461212160000000000,
 110950032218933108678400000000,
 26847804299643702075375747072000000]

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Last modified October 25 17:22 EDT 2021. Contains 348255 sequences. (Running on oeis4.)