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A112427 as a simple table

na(n)
11
21
33
42
53
65
73
82
93
101
113
122
137
145
154
163
172
183
191
205
214
223
232
241
253
262
273
285
293
302
311
325

[1,1,3,2,3,5,3,2,3,1,3,2,7,5,4,3,2,3,1,5,4,3,2,1,
 3,2,3,5,3,2,1,5]