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A221438 as a simple table

na(n)
11
22
32
46
52
66
724
812
912
1024
11120
12216
1312
14216
15120
16720
175280
18576
19576
205280
21720
225040
23190800
2466240
25576
2666240
27190800
285040
2940320
309344160
3115321600
32161280
33161280
3415321600
359344160
3640320
37362880
38598066560
395411750400
40283046400

[1,2,2,6,2,6,24,12,12,24,120,216,12,216,120,720,
 5280,576,576,5280,720,5040,190800,66240,576,66240,
 190800,5040,40320,9344160,15321600,161280,161280,
 15321600,9344160,40320,362880,598066560,
 5411750400,283046400]