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A257507 as a simple table

na(n)
11
23
34
47
510
610
711
815
918
1018
1122
1223
1325
1425
1526
1631
1734
1834
1938
2039
2141
2241
2346
2447
2549
2650
2754
2854
2956
3056
3157
3263
3366
3466
3570
3671
3773
3873
3978
4079
4181
4282
4386
4486
4588
4688
4794
4895
4997
5098
51102
52102
53104
54105
55110
56110
57113
58116
59117
60117
61119
62119
63120
64127
65130
66130
67134
68135
69137
70137
71142
72143
73145
74146

[1,3,4,7,10,10,11,15,18,18,22,23,25,25,26,31,34,
 34,38,39,41,41,46,47,49,50,54,54,56,56,57,63,66,
 66,70,71,73,73,78,79,81,82,86,86,88,88,94,95,97,
 98,102,102,104,105,110,110,113,116,117,117,119,
 119,120,127,130,130,134,135,137,137,142,143,145,
 146]