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A153824 as a simple table

na(n)
00
10
21
36
436
5240
61698
714304
8118800
91118160
1011705288
11144092256
121738439808
1324817158912
14355309325280
155378578601760
1686081749397280
171570394279039040
1828281459220193088
19572031558109589760
2011458497230555094720

[0,0,1,6,36,240,1698,14304,118800,1118160,
 11705288,144092256,1738439808,24817158912,
 355309325280,5378578601760,86081749397280,
 1570394279039040,28281459220193088,
 572031558109589760,11458497230555094720]