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A099767 as a simple table

n a(n)
2 1
3 6
4 12
5 100
6 180
7 2058
8 3584
9 52488
10 90000
11 1610510
12 2737152
13 57921708
14 97883968
15 2392031250
16 4026531840
17 111612119056
18 187339329792
19 5808378560022
20 9728000000000
21 333597619564020
22 557758378619904
23 20961814674106394
24 34998666292887552
25 1430511474609375000

[1,6,12,100,180,2058,3584,52488,90000,1610510,
 2737152,57921708,97883968,2392031250,4026531840,
 111612119056,187339329792,5808378560022,
 9728000000000,333597619564020,557758378619904,
 20961814674106394,34998666292887552,
 1430511474609375000]

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Last modified April 19 06:16 EDT 2024. Contains 371782 sequences. (Running on oeis4.)