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A211085 as a simple table

n a(n)
1 0
2 1
3 12
4 504
5 54552
6 18314238
7 18001425828
8 52877461613730
9 461270181887973636
10 11975672062199372507844
11 924700036496758370728369296

[0,1,12,504,54552,18314238,18001425828,
 52877461613730,461270181887973636,
 11975672062199372507844,
 924700036496758370728369296]

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Last modified October 1 12:45 EDT 2022. Contains 357147 sequences. (Running on oeis4.)