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A321938 as a simple table

na(n)
01
112
2288
351840
42488320
5209018880
675246796800
7180592312320
886684309913600
973557828698112000
1086504006548979712000
1113494625021640835072000
129716130015581401251840000
1323318712037395363004416000
14559649088897488712105984000

[1,12,288,51840,2488320,209018880,75246796800,
 180592312320,86684309913600,73557828698112000,
 86504006548979712000,13494625021640835072000,
 9716130015581401251840000,
 23318712037395363004416000,
 559649088897488712105984000]