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A213371 as a simple table

na(n)
11
22
31
43
51
62
74
82
93
101
115
124
133
146
152
161
174
185
197
202
213
221

[1,2,1,3,1,2,4,2,3,1,5,4,3,6,2,1,4,5,7,2,3,1]