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A229453 as a simple table

n a(n)
1 0
2 4
3 140
4 7940
5 903332
6 221410052
7 120864516084
8 149656305350148
9 425051698921207676
10 2789532529161418879776
11 42518582519087835706922360
12 1510724712014268724836823960708
13 125472358126936901810932026644960976 

[0,4,140,7940,903332,221410052,120864516084,
 149656305350148,425051698921207676,
 2789532529161418879776,42518582519087835706922360,
 1510724712014268724836823960708,
 125472358126936901810932026644960976]

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Last modified April 20 00:26 EDT 2024. Contains 371798 sequences. (Running on oeis4.)