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A335368 as a simple table

na(n)
11
228
31638
430240
52178540
62457000
732997888
8142990848
91307124000
1071271827200
11547929930240
122198278051200
132567400675840
1454409216942080

[1,28,1638,30240,2178540,2457000,32997888,
 142990848,1307124000,71271827200,547929930240,
 2198278051200,2567400675840,54409216942080]