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A115825 as a simple table

na(n)
15
210
320
421
540
641
742
879
980
1082
1184
1285
13158
14160
15163
16164
17168
18169
19170
20316
21320
22323
23325
24326
25328
26329
27335
28336
29338
30340
31341
32389
33632
34633
35640
36643
37645
38646
39650
40652
41656
42658
43670
44672
45675
46676
47680
48681
49682
50773
51778
521264
531266

[5,10,20,21,40,41,42,79,80,82,84,85,158,160,163,
 164,168,169,170,316,320,323,325,326,328,329,335,
 336,338,340,341,389,632,633,640,643,645,646,650,
 652,656,658,670,672,675,676,680,681,682,773,778,
 1264,1266]