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A240434 as a simple table

na(n)
00
14
228
3128
4480
51600
64928
714336
839936
9107520
10281600
11720896
121810432
134472832
1410895360
1526214400
1662390272
17147062784
18343670784
19796917760
201835008000
214198498304
229550430208
2321609054208
2448653926400
25109051904000
26243403849728
27541165879296

[0,4,28,128,480,1600,4928,14336,39936,107520,
 281600,720896,1810432,4472832,10895360,26214400,
 62390272,147062784,343670784,796917760,1835008000,
 4198498304,9550430208,21609054208,48653926400,
 109051904000,243403849728,541165879296]