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A232985 as a simple table

na(n)
01
11
22
36
424
5120
6720
75040
840320
9362880
103628800
113628800
1243545600
13566092800
147925299200
15118879488000
161902071808000
1732335220736000
18582033973248000
1911058645491712000
20221172909834240000
214644631106519040000
224644631106519040000
23106826515449937920000
242563836370798510080000

[1,1,2,6,24,120,720,5040,40320,362880,3628800,
 3628800,43545600,566092800,7925299200,
 118879488000,1902071808000,32335220736000,
 582033973248000,11058645491712000,
 221172909834240000,4644631106519040000,
 4644631106519040000,106826515449937920000,
 2563836370798510080000]