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A216173 as a simple table

na(n)
11
25
316
439
580
6147
7249
8396
9600
10874
111232
121690
132265
142975
153840
164881
176120
187581
199289
2011270
2113552
2216164
2319136
2422500
2526289
2630537
2735280
2840555
2946400
3052855
3159961
3267760
3376296
3485614
3595760
36106782
37118729
38131651
39145600
40160629
41176792

[1,5,16,39,80,147,249,396,600,874,1232,1690,2265,
 2975,3840,4881,6120,7581,9289,11270,13552,16164,
 19136,22500,26289,30537,35280,40555,46400,52855,
 59961,67760,76296,85614,95760,106782,118729,
 131651,145600,160629,176792]