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A026511 as a simple table

na(n)
11
23
34
45
56
67
78
89
910
1011
1112
1214
1316
1418
1520
1622
1726
1827
1930
2031
2134
2235
2338
2439
2542
2643
2746
2847
2949
3050
3154
3256
3358
3459
3562
3664
3765
3866
3967
4070
4173
4274
4378
4482
4583
4686
4789
4890
4991
5094
5197
5298
53100
54102
55103
56106
57107
58110
59111
60114
61116

[1,3,4,5,6,7,8,9,10,11,12,14,16,18,20,22,26,27,30,
 31,34,35,38,39,42,43,46,47,49,50,54,56,58,59,62,
 64,65,66,67,70,73,74,78,82,83,86,89,90,91,94,97,
 98,100,102,103,106,107,110,111,114,116]