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A089231 as a simple table

na(n)
11
21
32
41
56
66
71
812
936
1024
111
1220
13120
14240
15120
161
1730
18300
191200
201800
21720
221
2342
24630
254200
2612600
2715120
285040
291
3056
311176
3211760
3358800
34141120
35141120
3640320
371
3872
392016
4028224
41211680
42846720
431693440
441451520
45362880

[1,1,2,1,6,6,1,12,36,24,1,20,120,240,120,1,30,300,
 1200,1800,720,1,42,630,4200,12600,15120,5040,1,56,
 1176,11760,58800,141120,141120,40320,1,72,2016,
 28224,211680,846720,1693440,1451520,362880]