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A222864 as a simple table

na(n)
11
21
32
41
56
66
71
850
936
1024
111
12510
13510
14240
15120
161
177682
187380
194800
201800
21720
221
23161406
24141246
2591560
2647040
2715120
285040
291
304747010
313444756
322162664
331134000
34493920
35141120
3640320
371
38194342910
39110729310
4061286400
4132253480
4214605920
435594400

[1,1,2,1,6,6,1,50,36,24,1,510,510,240,120,1,7682,
 7380,4800,1800,720,1,161406,141246,91560,47040,
 15120,5040,1,4747010,3444756,2162664,1134000,
 493920,141120,40320,1,194342910,110729310,
 61286400,32253480,14605920,5594400]