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A002204 as a simple table

na(n)
11
26
3720
41512000
553343360000
631052236723200000
7295415578275110092800000
845669605890716810734764032000000
9114309087153174410876339218101043200000000
104620689394791469131629562883903627872698368000000000

[1,6,720,1512000,53343360000,31052236723200000,
 295415578275110092800000,
 45669605890716810734764032000000,
 114309087153174410876339218101043200000000,
 46206893947914691316295628839036278726983680000000\
 00]