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A157583 as a simple table

n a(n)
2 1
3 3
4 306
5 19110
6 1405335
7 127596189
8 10056226796
9 714714066732
10 47739604854315
11 2926869332706055
12 164336205885920178
13 8620987583406297606
14 434508999474316043459
15 21294115220098361584440
16 1014206441760046027667880 

[1,3,306,19110,1405335,127596189,10056226796,
 714714066732,47739604854315,2926869332706055,
 164336205885920178,8620987583406297606,
 434508999474316043459,21294115220098361584440,
 1014206441760046027667880]

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Last modified June 30 19:41 EDT 2022. Contains 354945 sequences. (Running on oeis4.)