A110442 - OEIS

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A110442 as a simple table

n	a(n)
2	6
3	120
4	55440
5	367567200
6	288807105787200
7	1970992304700453905270400
8	46015447651610234928592313897306120347488000
9	20945137389024582113645213620899991935836129981347124754955196200225728000

[6,120,55440,367567200,288807105787200, 1970992304700453905270400, 46015447651610234928592313897306120347488000, 20945137389024582113645213620899991935836129981347\ 124754955196200225728000]