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A131928 as a simple table

na(n)
00
11
24
316
496
5288
61440
75760
823040
992160
10552960
111658880
127299072
1336495360
14109486080
15510935040
162043740160
177664025600
1828740096000
19114960384000
20459841536000
211839366144000
228583708672000
2338626689024000

[0,1,4,16,96,288,1440,5760,23040,92160,552960,
 1658880,7299072,36495360,109486080,510935040,
 2043740160,7664025600,28740096000,114960384000,
 459841536000,1839366144000,8583708672000,
 38626689024000]