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A321789 as a simple table

na(n)
11
21
31
41
52
61
71
86
96
101
111
1224
13720
1424
151
161
17120
183628800
193628800
20120
211
221
23720
241307674368000
252432902008176640000
261307674368000
27720
281
291
305040
3151090942171709440000
3210333147966386144929666651337523200000000
3310333147966386144929666651337523200000000
3451090942171709440000
355040
361

[1,1,1,1,2,1,1,6,6,1,1,24,720,24,1,1,120,3628800,
 3628800,120,1,1,720,1307674368000,
 2432902008176640000,1307674368000,720,1,1,5040,
 51090942171709440000,
 10333147966386144929666651337523200000000,
 10333147966386144929666651337523200000000,
 51090942171709440000,5040,1]