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A221399 as a simple table

n a(n)
1 0
2 324
3 26374
4 2294372
5 197166544
6 16996641648
7 1467880996172
8 126930182790936
9 10983593507924760
10 950783861987061762
11 82317652792534321058
12 7127444249953921537462 

[0,324,26374,2294372,197166544,16996641648,
 1467880996172,126930182790936,10983593507924760,
 950783861987061762,82317652792534321058,
 7127444249953921537462]

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Last modified July 17 17:04 EDT 2024. Contains 374377 sequences. (Running on oeis4.)