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A138587 as a simple table

na(n)
00
11
22
33
45
56
610
711
821
922
1042
1143
1285
1386
14170
15171
16341
17342
18682
19683
201365
211366
222730
232731
245461
255462
2610922
2710923
2821845
2921846
3043690
3143691
3287381
3387382
34174762
35174763
36349525
37349526
38699050
39699051
401398101
411398102
422796202
432796203
445592405

[0,1,2,3,5,6,10,11,21,22,42,43,85,86,170,171,341,
 342,682,683,1365,1366,2730,2731,5461,5462,10922,
 10923,21845,21846,43690,43691,87381,87382,174762,
 174763,349525,349526,699050,699051,1398101,
 1398102,2796202,2796203,5592405]