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A152505 as a simple table

n a(n)
1 0
2 3
3 1008
4 172573
5 24118698
6 3148308323
7 401420959948
8 50776368194073
9 6405835208453198
10 807454401764399823
11 101751780468757346448
12 12821210170324927605573
13 1615491145485759589239698
14 203552595669637872843811323
15 25647653984634161426074132948 

[0,3,1008,172573,24118698,3148308323,401420959948,
 50776368194073,6405835208453198,
 807454401764399823,101751780468757346448,
 12821210170324927605573,1615491145485759589239698,
 203552595669637872843811323,
 25647653984634161426074132948]

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Last modified April 16 04:17 EDT 2024. Contains 371696 sequences. (Running on oeis4.)