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A174727 as a simple table

n a(n)
0 2
1 6
2 8
3 180
4 288
5 10080
6 17280
7 453600
8 806400
9 47900160
10 87091200
11 217945728000
12 402361344000
13 2241727488000
14 4184557977600
15 2000741783040000
16 3766102179840000
17 2838385676206080000
18 5377993912811520000
19 1686001091666411520000
20 3211430650793164800000
21 423033001181754163200000

[2,6,8,180,288,10080,17280,453600,806400,47900160,
 87091200,217945728000,402361344000,2241727488000,
 4184557977600,2000741783040000,3766102179840000,
 2838385676206080000,5377993912811520000,
 1686001091666411520000,3211430650793164800000,
 423033001181754163200000]

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Last modified May 10 03:50 EDT 2024. Contains 372356 sequences. (Running on oeis4.)