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A052728 as a simple table

na(n)
00
10
22
312
4168
52880
664080
71723680
854633600
91992936960
1082261267200
113790579161600
12192895381324800
1310744251136819200
14650181362358528000
1542476922345521664000
162979716339168464896000
17223385082959833546752000

[0,0,2,12,168,2880,64080,1723680,54633600,
 1992936960,82261267200,3790579161600,
 192895381324800,10744251136819200,
 650181362358528000,42476922345521664000,
 2979716339168464896000,223385082959833546752000]