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A156474 as a simple table

n a(n)
4 4
5 7
6 78
7 660
8 19896
9 352350
10 29182380
11 1150637340
12 215977376730

[4,7,78,660,19896,352350,29182380,1150637340,
 215977376730]

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Last modified April 19 17:39 EDT 2024. Contains 371797 sequences. (Running on oeis4.)