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A165344 as a simple table

n a(n)
0 1
1 20
2 75456
3 222049714176
4 1446859308630697574400
5 47680530046593302430474043392000000
6 15747911603441625571224989926437024694272000000000000 

[1,20,75456,222049714176,1446859308630697574400,
 47680530046593302430474043392000000,
 15747911603441625571224989926437024694272000000000\
 000]

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Last modified May 7 09:15 EDT 2024. Contains 372302 sequences. (Running on oeis4.)