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A223180 as a simple table

n a(n)
1 1
2 20
3 400
4 14560
5 1018720
6 141047120
7 39288329040
8 22231433842560
9 25710310945249680
10 61010814457361940400

[1,20,400,14560,1018720,141047120,39288329040,
 22231433842560,25710310945249680,
 61010814457361940400]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)