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A050509 as a simple table

na(n)
01
110
236
388
4175
5306
6490
7736
81053
91450
101936
112520
123211
134018
144950
156016
167225
178586
1810108
1911800
2013671
2115730
2217986
2320448
2423125
2526026
2629160
2732536
2836163
2940050
3044206
3148640
3253361
3358378
3463700
3569336
3675295
3781586
3888218

[1,10,36,88,175,306,490,736,1053,1450,1936,2520,
 3211,4018,4950,6016,7225,8586,10108,11800,13671,
 15730,17986,20448,23125,26026,29160,32536,36163,
 40050,44206,48640,53361,58378,63700,69336,75295,
 81586,88218]