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A227265 as a simple table

na(n)
13
28
316
430
554
693
7153
8241
9365
10534
11758
121048
131416
141875
152439
163123
173943
184916
196060
207394
218938
2210713
2312741
2415045
2517649
2620578
2723858
2827516
2931580
3036079
3141043
3246503
3352491
3459040
3566184
3673958
3782398
3891541
39101425
40112089
41123573

[3,8,16,30,54,93,153,241,365,534,758,1048,1416,
 1875,2439,3123,3943,4916,6060,7394,8938,10713,
 12741,15045,17649,20578,23858,27516,31580,36079,
 41043,46503,52491,59040,66184,73958,82398,91541,
 101425,112089,123573]