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A372682 as a simple table

na(n)
03
115
236
369
4123
5180
6264
7339
8453
9549
10702
11807
12999
131128
141329
151494
161749
171935
182214
192373
202682
212940
223288
233483

[3,15,36,69,123,180,264,339,453,549,702,807,999,
 1128,1329,1494,1749,1935,2214,2373,2682,2940,3288,
 3483]