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A228306 as a simple table

na(n)
575
6165
7315
8546
9882
101350
111980
122805
133861
145187
156825
168820
1711220
1814076
1917442
2021375
2125935
2231185
2337191
2444022
2551750
2660450
2770200
2881081
2993177
30106575
31121365
32137640
33155496
34175032
35196350
36219555
37244755
38272061
39301587
40333450

[75,165,315,546,882,1350,1980,2805,3861,5187,6825,
 8820,11220,14076,17442,21375,25935,31185,37191,
 44022,51750,60450,70200,81081,93177,106575,121365,
 137640,155496,175032,196350,219555,244755,272061,
 301587,333450]