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A037331 as a simple table

na(n)
11
22
33
44
55
66
791
892
993
1094
1195
12133
13134
14135
15176
16177
17178
18179
19180
20181
21217
22218
23219
24220
25221
26222
27223
28259
29260
30261
31262
32263
33304
34305
35306
36307
37385
38386
39387
40388
41389
42390
43391
44432
45433
46472
47473
48474
49475
50553

[1,2,3,4,5,6,91,92,93,94,95,133,134,135,176,177,
 178,179,180,181,217,218,219,220,221,222,223,259,
 260,261,262,263,304,305,306,307,385,386,387,388,
 389,390,391,432,433,472,473,474,475,553]