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A178219 as a simple table

na(n)
00
10
20
31
40
50
64
7-5
80
916
10-40
1125
1264
13-240
14300
15131
16-1280
172400
18-976
19-5775
2016000
21-15904
22-18220
2392875
24-143616
256640
26462600
27-1038839
28744640
291817200
30-6468356
318172755
323545600
33-34959424
3465032800
35-26681375
36-157565696
37434928320
38-431889500
39-496855909
402527541760

[0,0,0,1,0,0,4,-5,0,16,-40,25,64,-240,300,131,
 -1280,2400,-976,-5775,16000,-15904,-18220,92875,
 -143616,6640,462600,-1038839,744640,1817200,
 -6468356,8172755,3545600,-34959424,65032800,
 -26681375,-157565696,434928320,-431889500,
 -496855909,2527541760]