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A247796 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
101
112
123
134
145
156
167
178
189
1919
202
213
224
235
246
257
268
279
2828
2929
303
314
325
336
347
358
369
3737
3838
3939
404
415
426
437
448
459
4646
4747
4848
4949
505
516
527
538
549
5555
5656
5757
5858
5959
606
617
628
639
6464
6565
6666
6767
6868
6969
707
718
729
7373
7474
7575
7676
7777

[0,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,19,2,3,4,5,
 6,7,8,9,28,29,3,4,5,6,7,8,9,37,38,39,4,5,6,7,8,9,
 46,47,48,49,5,6,7,8,9,55,56,57,58,59,6,7,8,9,64,
 65,66,67,68,69,7,8,9,73,74,75,76,77]