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A001710 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 12
5 60
6 360
7 2520
8 20160
9 181440
10 1814400
11 19958400
12 239500800
13 3113510400
14 43589145600
15 653837184000
16 10461394944000
17 177843714048000
18 3201186852864000
19 60822550204416000
20 1216451004088320000
21 25545471085854720000
22 562000363888803840000

[1,1,1,3,12,60,360,2520,20160,181440,1814400,
 19958400,239500800,3113510400,43589145600,
 653837184000,10461394944000,177843714048000,
 3201186852864000,60822550204416000,
 1216451004088320000,25545471085854720000,
 562000363888803840000]

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Last modified May 5 04:35 EDT 2024. Contains 372257 sequences. (Running on oeis4.)