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A165094 as a simple table

n a(n)
1 0
2 21
3 252
4 147420
5 213402
6 1711962
7 16092433
8 76545756
9 1068263553
10 39258683100
11 57497839826
12 58573445322
13 68675650561
14 3680015145170
15 3749808363210
16 4238480197777
17 4397695901697
18 20104741893852 

[0,21,252,147420,213402,1711962,16092433,76545756,
 1068263553,39258683100,57497839826,58573445322,
 68675650561,3680015145170,3749808363210,
 4238480197777,4397695901697,20104741893852]

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Last modified June 4 06:06 EDT 2024. Contains 373089 sequences. (Running on oeis4.)