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A066544 as a simple table

na(n)
24
369360
425181448044544
5500282053019322336000000000
61364205042837678184255639132540659302400000000
71119704625219101611411719462621416231171361585800882437615771859939328

[4,69360,25181448044544,
 500282053019322336000000000,
 1364205042837678184255639132540659302400000000,
 11197046252191016114117194626214162311713615858008\
 82437615771859939328]