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A222252 as a simple table

na(n)
00
11
22
33
44
55
66
78
87
99
1010
1111
1212
1313
1414
1515
1616
1718
1817
1919
2020
2121
2222
2323
2424
2525
2626
2728
2827
2929
3030
3131
3232
3333
3434
3535
3636
3738
3837
3939
4040
4141
4242
4343
4444
4545
4646
4748
4847
4949
5050
5151
5252
5353
5454
5555
5656
5758
5857
5959
6060
6161
6262
6363
6464
6565
6666
6768
6867
6969
7080
7181
7282
7383
7484
7585

[0,1,2,3,4,5,6,8,7,9,10,11,12,13,14,15,16,18,17,
 19,20,21,22,23,24,25,26,28,27,29,30,31,32,33,34,
 35,36,38,37,39,40,41,42,43,44,45,46,48,47,49,50,
 51,52,53,54,55,56,58,57,59,60,61,62,63,64,65,66,
 68,67,69,80,81,82,83,84,85]