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A226731 as a simple table

n a(n)
3 20
4 630
5 36288
6 3326400
7 444787200
8 81729648000
9 19760412672000
10 6082255020441600
11 2322315553259520000
12 1077167364120207360000
13 596585001666576384000000
14 388888194657798291456000000

[20,630,36288,3326400,444787200,81729648000,
 19760412672000,6082255020441600,
 2322315553259520000,1077167364120207360000,
 596585001666576384000000,
 388888194657798291456000000]

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)