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A070960 as a simple table

n a(n)
1 1
2 3
3 9
4 36
5 180
6 1080
7 7560
8 60480
9 544320
10 5443200
11 59875200
12 718502400
13 9340531200
14 130767436800
15 1961511552000
16 31384184832000
17 533531142144000
18 9603560558592000
19 182467650613248000
20 3649353012264960000
21 76636413257564160000
22 1686001091666411520000
23 38778025108327464960000

[1,3,9,36,180,1080,7560,60480,544320,5443200,
 59875200,718502400,9340531200,130767436800,
 1961511552000,31384184832000,533531142144000,
 9603560558592000,182467650613248000,
 3649353012264960000,76636413257564160000,
 1686001091666411520000,38778025108327464960000]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)