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A203264 as a simple table

na(n)
11
24
372
42304
5172800
618662400
73657830400
8936404582400
9379243855872000
10189621927936000000
11137665519681536000000
12118943009004847104000000
13140709579652734124032000000
14193053543283551218171904000000

[1,4,72,2304,172800,18662400,3657830400,
 936404582400,379243855872000,189621927936000000,
 137665519681536000000,118943009004847104000000,
 140709579652734124032000000,
 193053543283551218171904000000]