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A358632 as a simple table

na(n)
01
15
220
350
4110
5200
6340
7525
8780
91095
101500
111980
122570
133250
144060
154975
166040
177225
188580
1910070
2011750

[1,5,20,50,110,200,340,525,780,1095,1500,1980,
 2570,3250,4060,4975,6040,7225,8580,10070,11750]