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A028421 as a simple table

na(n)
01
11
22
32
46
53
66
722
818
94
1024
11100
12105
1340
145
15120
16548
17675
18340
1975
206
21720
223528
234872
242940
25875
26126
277
285040
2926136
3039396
3127076
329800
331932
34196
358
3640320
37219168
38354372
39269136
40112245
4127216
423822
43288
449

[1,1,2,2,6,3,6,22,18,4,24,100,105,40,5,120,548,
 675,340,75,6,720,3528,4872,2940,875,126,7,5040,
 26136,39396,27076,9800,1932,196,8,40320,219168,
 354372,269136,112245,27216,3822,288,9]