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A053834 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
1010
1111
1212
1313
141
152
163
174
185
196
207
218
229
2310
2411
2512
2613
2714
282
293
304
315
326
337
348
359
3610
3711
3812
3913
4014
4115
423
434
445
456
467
478
489
4910
5011
5112
5213
5314
5415
5516
564
575
586
597
608
619
6210
6311
6412
6513
6614
6715
6816
6917
705
716
727
738
749
7510
7611
7712
7813
7914
8015
8116
8217
8318

[0,1,2,3,4,5,6,7,8,9,10,11,12,13,1,2,3,4,5,6,7,8,
 9,10,11,12,13,14,2,3,4,5,6,7,8,9,10,11,12,13,14,
 15,3,4,5,6,7,8,9,10,11,12,13,14,15,16,4,5,6,7,8,9,
 10,11,12,13,14,15,16,17,5,6,7,8,9,10,11,12,13,14,
 15,16,17,18]