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A056544 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
10101
1111
12121
13131
14141
15151
16161
17171
18181
19191
20202
21121
2222
23232
24242
25252
26262
27272
28282
29292
30303
31131
32232
3333
34343
35353
36363
37373
38383
39393
40404
41141
42242
43343
4444
45454
46464
47474
48484
49494
50505
51151
52252
53353
54454
5555
56565
57575

[1,2,3,4,5,6,7,8,9,101,11,121,131,141,151,161,171,
 181,191,202,121,22,232,242,252,262,272,282,292,
 303,131,232,33,343,353,363,373,383,393,404,141,
 242,343,44,454,464,474,484,494,505,151,252,353,
 454,55,565,575]