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A265881 as a simple table

n a(n)
1 0
2 2
3 894
4 1584088
5 10856237680
6 105870775847760
7 2630918094778547280
8 87716669699961619793280

[0,2,894,1584088,10856237680,105870775847760,
 2630918094778547280,87716669699961619793280]

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Last modified January 25 14:40 EST 2022. Contains 350572 sequences. (Running on oeis4.)