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A115973 as a simple table

na(n)
11
22
33
43
56
65
73
85
98
107
117
127
136
148
1510
168
179
188
197
208
214
227
2312
246
258
267
2712
2811
296
309
317
3217
339
349

[1,2,3,3,6,5,3,5,8,7,7,7,6,8,10,8,9,8,7,8,4,7,12,
 6,8,7,12,11,6,9,7,17,9,9]