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A212539 as a simple table

na(n)
11
24
38
415
521
640
744
864
976
10103
11104
12148
13149
14165
15197
16229
17230
18271
19272
20343
21362
22367
23368
24449
25457
26462
27478
28521
29522
30639
31640
32677
33685
34688
35707
36800
37801
38804
39812
40937
41938
421011
431012
441026
451094
461097
471098
481204
491208
501241
511246
521262
531263

[1,4,8,15,21,40,44,64,76,103,104,148,149,165,197,
 229,230,271,272,343,362,367,368,449,457,462,478,
 521,522,639,640,677,685,688,707,800,801,804,812,
 937,938,1011,1012,1026,1094,1097,1098,1204,1208,
 1241,1246,1262,1263]