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A286512 as a simple table

na(n)
117
231
363
486
591
6103
7118
8133
9155
10157
11211
12270
13290
14301
15338
16352
17421
18432
19440
20441
21450
22478
23513
24533
25693
26853
271051
281237
291363
301459
311526
321665
332781

[17,31,63,86,91,103,118,133,155,157,211,270,290,
 301,338,352,421,432,440,441,450,478,513,533,693,
 853,1051,1237,1363,1459,1526,1665,2781]