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A068603 as a simple table

na(n)
12
23
312
414
517
618
719
827
929
1030
1131
1233
1334
1435
1536
1641
1743
1848
1949
2056
2157
2263
2366
2471
2577
2678
2779
2880
2992
3095
31102
32106
33108
34109
35113
36116
37118
38121
39125
40130
41134
42141
43142
44146
45147
46158
47162
48164
49168
50179
51182
52184
53187
54190
55194
56201
57204
58209
59211
60214

[2,3,12,14,17,18,19,27,29,30,31,33,34,35,36,41,43,
 48,49,56,57,63,66,71,77,78,79,80,92,95,102,106,
 108,109,113,116,118,121,125,130,134,141,142,146,
 147,158,162,164,168,179,182,184,187,190,194,201,
 204,209,211,214]