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A020748 as a simple table

na(n)
04
110
225
362
4153
5377
6928
72284
85621
913833
1034042
1183774
12206159
13507335
141248496
153072412
167560869
1718606469
1845788478
19112680418
20277294139
21682390435
221679287948
234132543288
2410169735361
2525026602289
2661587720810
27151560619806
28372974046999

[4,10,25,62,153,377,928,2284,5621,13833,34042,
 83774,206159,507335,1248496,3072412,7560869,
 18606469,45788478,112680418,277294139,682390435,
 1679287948,4132543288,10169735361,25026602289,
 61587720810,151560619806,372974046999]