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A093973 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 19
6 330
7 4498
8 51756
9 548746
10 5517814
11 54024702
12 520188423
13 4957098874
14 46933220241
15 442604975423
16 4164551600019
17 39140839016528
18 367734226199966 

[0,0,0,0,19,330,4498,51756,548746,5517814,
 54024702,520188423,4957098874,46933220241,
 442604975423,4164551600019,39140839016528,
 367734226199966]

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Last modified April 25 10:22 EDT 2024. Contains 371967 sequences. (Running on oeis4.)