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A110372 as a simple table

na(n)
11
22
33
420
5336
6154440
78204716800
85778574175582208000
943004718293359780142729736192000000
101300207208378579462193856077468752280037294977727353323520000000

[1,2,3,20,336,154440,8204716800,
 5778574175582208000,
 43004718293359780142729736192000000,
 13002072083785794621938560774687522800372949777273\
 53323520000000]