A202368 - OEIS

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A202368 as a simple table

n	a(n)
1	1
2	4
3	672
4	13440
5	58705920
6	234823680
7	11243357798400
8	494707743129600
9	4321766843980185600
10	86435336879603712000
11	450155234468976132096000

[1,4,672,13440,58705920,234823680,11243357798400, 494707743129600,4321766843980185600, 86435336879603712000,450155234468976132096000]