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A168437 as a simple table

na(n)
13
213
313
423
523
633
733
843
943
1053
1153
1263
1363
1473
1573
1683
1783
1893
1993
20103
21103
22113
23113
24123
25123
26133
27133
28143
29143
30153
31153
32163
33163
34173
35173
36183
37183
38193
39193
40203
41203
42213
43213
44223
45223
46233
47233
48243
49243
50253
51253
52263
53263
54273
55273
56283

[3,13,13,23,23,33,33,43,43,53,53,63,63,73,73,83,
 83,93,93,103,103,113,113,123,123,133,133,143,143,
 153,153,163,163,173,173,183,183,193,193,203,203,
 213,213,223,223,233,233,243,243,253,253,263,263,
 273,273,283]