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A052631 as a simple table

na(n)
00
11
24
330
4288
53480
650400
7851760
816450560
9357436800
108629286400
11229162348800
126638962176000
13208362342988800
147042436719718400
15255029193619200000
169851119008546816000
17404305986955014144000
1817569457946995834880000
19805912049524456562688000

[0,1,4,30,288,3480,50400,851760,16450560,
 357436800,8629286400,229162348800,6638962176000,
 208362342988800,7042436719718400,
 255029193619200000,9851119008546816000,
 404305986955014144000,17569457946995834880000,
 805912049524456562688000]