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A343437 as a simple table

na(n)
21
32
42
52
62
72
83
93
103
113
123
132
142
151
161
171
182
192
202
213
223
233
243
253
264
274
284
294
304
314
325
334
344
354
364
375
385
395

[1,2,2,2,2,2,3,3,3,3,3,2,2,1,1,1,2,2,2,3,3,3,3,3,
 4,4,4,4,4,4,5,4,4,4,4,5,5,5]