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A271140 as a simple table

n a(n)
1 0
2 1
3 56
4 4899
5 797680
6 269282132
7 197805084468
8 321887622195271
9 1163415729672643756 

[0,1,56,4899,797680,269282132,197805084468,
 321887622195271,1163415729672643756]

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Last modified July 14 12:09 EDT 2024. Contains 374318 sequences. (Running on oeis4.)