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A256828 as a simple table

n a(n)
1 2
2 6
3 18
4 48
5 204
6 10386
7 19524
8 28320

[2,6,18,48,204,10386,19524,28320]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)