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A241765 as a simple table

na(n)
00
15
223
365
4145
5280
6490
7798
81230
91815
102585
113575
124823
136370
148260
1510540
1613260
1716473
1820235
1924605
2029645
2135420
2241998
2349450
2457850
2567275
2677805
2789523
28102515
29116870
30132680
31150040
32169048
33189805
34212415
35236985
36263625
37292448

[0,5,23,65,145,280,490,798,1230,1815,2585,3575,
 4823,6370,8260,10540,13260,16473,20235,24605,
 29645,35420,41998,49450,57850,67275,77805,89523,
 102515,116870,132680,150040,169048,189805,212415,
 236985,263625,292448]