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A268598 as a simple table

na(n)
00
10
20
30
40
54
627
7120
8440
91440
104368
1112544
1234560
1392160
14239360
15608256
161517568
173727360
189031680
1921626880
2051249152
21120324096
22280166400
23647495680
241486356480
253391094784
267693402112
2717364418560
2839007027200
2987241523200
30194330492928

[0,0,0,0,0,4,27,120,440,1440,4368,12544,34560,
 92160,239360,608256,1517568,3727360,9031680,
 21626880,51249152,120324096,280166400,647495680,
 1486356480,3391094784,7693402112,17364418560,
 39007027200,87241523200,194330492928]