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A081873 as a simple table

na(n)
16
215
328
445
566
677
791
8104
9117
10120
11153
12170
13187
14190
15204
16209
17228
18231
19247
20273
21276
22299
23322
24325
25345
26350
27368
28378
29400
30425
31432
32435
33459
34464
35493
36496
37513
38522
39527
40551
41558
42561
43580
44589
45620
46627
47630
48651
49660
50665
51703
52740
53759

[6,15,28,45,66,77,91,104,117,120,153,170,187,190,
 204,209,228,231,247,273,276,299,322,325,345,350,
 368,378,400,425,432,435,459,464,493,496,513,522,
 527,551,558,561,580,589,620,627,630,651,660,665,
 703,740,759]