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A001725 as a simple table

n a(n)
5 1
6 6
7 42
8 336
9 3024
10 30240
11 332640
12 3991680
13 51891840
14 726485760
15 10897286400
16 174356582400
17 2964061900800
18 53353114214400
19 1013709170073600
20 20274183401472000
21 425757851430912000
22 9366672731480064000
23 215433472824041472000
24 5170403347776995328000

[1,6,42,336,3024,30240,332640,3991680,51891840,
 726485760,10897286400,174356582400,2964061900800,
 53353114214400,1013709170073600,20274183401472000,
 425757851430912000,9366672731480064000,
 215433472824041472000,5170403347776995328000]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)