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A050149 as a simple table

n a(n)
3 1
4 15
5 80
6 432
7 2352
8 12896
9 71136
10 394400
11 2196128
12 12273648
13 68811184
14 386838480
15 2179890000
16 12309739968
17 69641542848
18 394643939904
19 2239678552640
20 12727572969680
21 72415319422992
22 412470467298032

[1,15,80,432,2352,12896,71136,394400,2196128,
 12273648,68811184,386838480,2179890000,
 12309739968,69641542848,394643939904,
 2239678552640,12727572969680,72415319422992,
 412470467298032]

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Last modified April 23 12:27 EDT 2024. Contains 371912 sequences. (Running on oeis4.)