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A117114 as a simple table

na(n)
02
12
23
34
43
53
62
74
85
93
103
111
123
133
144
156
162
174
185
191
204
212
223

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