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A057867 as a simple table

n a(n)
1 180
2 56700
3 425675250
4 390769879500
5 21438612514068750
6 1211517431782539131250
7 3952575621190533915703125
8 28870481903812321637757079687500 

[180,56700,425675250,390769879500,
 21438612514068750,1211517431782539131250,
 3952575621190533915703125,
 28870481903812321637757079687500]

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Last modified April 23 12:08 EDT 2024. Contains 371912 sequences. (Running on oeis4.)