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A166384 as a simple table

na(n)
01
160
2151200
31816214400
460339831552000
54274473667143680000
6553761949463615692800000
7118528911546113729396736000000
838996486014317601426443730944000000

[1,60,151200,1816214400,60339831552000,
 4274473667143680000,553761949463615692800000,
 118528911546113729396736000000,
 38996486014317601426443730944000000]