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A075392 as a simple table

na(n)
11
23
32
42
53
63
72
82
93
105
112
122
137
143
152
162
173
183
192
202
213
2211
232
242
255
263
272
282
293
303
312
322
333
345
352

[1,3,2,2,3,3,2,2,3,5,2,2,7,3,2,2,3,3,2,2,3,11,2,2,
 5,3,2,2,3,3,2,2,3,5,2]