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A003092 as a simple table

n a(n)
1 0
2 1
3 2
4 36
5 1200
6 57000
7 3477600
8 257826240
9 22438563840
10 2238543216000
11 251584613280000
12 31431367287936000
13 4319334744012288000
14 647313578549730892800
15 105041172967733882880000
16 18345770194541665075200000
17 3430869798262479024291840000

[0,1,2,36,1200,57000,3477600,257826240,
 22438563840,2238543216000,251584613280000,
 31431367287936000,4319334744012288000,
 647313578549730892800,105041172967733882880000,
 18345770194541665075200000,
 3430869798262479024291840000]

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Last modified April 17 20:11 EDT 2024. Contains 371767 sequences. (Running on oeis4.)