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A056143 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
10110
11111
12112
13113
14114
15115
16116
17117
18118
19119
20220
21221
22222
23223
24224
25225
26226
27227
28228
29229
30330
31331
32332
33333
34334
35335
36336
37337
38338
39339
40440
41441
42442
43443
44444
45445
46446
47447
48448
49449
50550
51551
52552
53553
54554
55555

[0,1,2,3,4,5,6,7,8,9,110,111,112,113,114,115,116,
 117,118,119,220,221,222,223,224,225,226,227,228,
 229,330,331,332,333,334,335,336,337,338,339,440,
 441,442,443,444,445,446,447,448,449,550,551,552,
 553,554,555]