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A033849 as a simple table

na(n)
115
245
375
4135
5225
6375
7405
8675
91125
101215
111875
122025
133375
143645
155625
166075
179375
1810125
1910935
2016875
2118225
2228125
2330375
2432805
2546875
2650625
2754675
2884375
2991125
3098415
31140625
32151875
33164025
34234375
35253125
36273375
37295245

[15,45,75,135,225,375,405,675,1125,1215,1875,2025,
 3375,3645,5625,6075,9375,10125,10935,16875,18225,
 28125,30375,32805,46875,50625,54675,84375,91125,
 98415,140625,151875,164025,234375,253125,273375,
 295245]