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A017305 as a simple table

na(n)
03
113
223
333
443
553
663
773
883
993
10103
11113
12123
13133
14143
15153
16163
17173
18183
19193
20203
21213
22223
23233
24243
25253
26263
27273
28283
29293
30303
31313
32323
33333
34343
35353
36363
37373
38383
39393
40403
41413
42423
43433
44443
45453
46463
47473
48483
49493
50503
51513
52523
53533

[3,13,23,33,43,53,63,73,83,93,103,113,123,133,143,
 153,163,173,183,193,203,213,223,233,243,253,263,
 273,283,293,303,313,323,333,343,353,363,373,383,
 393,403,413,423,433,443,453,463,473,483,493,503,
 513,523,533]