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A193264 as a simple table

n a(n)
1 1
2 2
3 18
4 324
5 9140
6 359460
7 18408600
8 1174201280
9 90423766800
10 8215991163000
11 865420074120800
12 104218992780067440
13 14188585798246317120
14 2163608674997595229040
15 366682177870608886473600
16 68611838511981521881152000
17 14093827998013078645611495680 

[1,2,18,324,9140,359460,18408600,1174201280,
 90423766800,8215991163000,865420074120800,
 104218992780067440,14188585798246317120,
 2163608674997595229040,366682177870608886473600,
 68611838511981521881152000,
 14093827998013078645611495680]

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Last modified May 20 06:19 EDT 2024. Contains 372703 sequences. (Running on oeis4.)