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A037624 as a simple table

na(n)
12
220
3203
42032
520320
6203203
72032032
820320320
9203203203
102032032032
1120320320320
12203203203203
132032032032032
1420320320320320
15203203203203203
162032032032032032
1720320320320320320
18203203203203203203
192032032032032032032
2020320320320320320320

[2,20,203,2032,20320,203203,2032032,20320320,
 203203203,2032032032,20320320320,203203203203,
 2032032032032,20320320320320,203203203203203,
 2032032032032032,20320320320320320,
 203203203203203203,2032032032032032032,
 20320320320320320320]