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A170976 as a simple table

na(n)
01
10
20
31
40
50
60
72
80
90
102
111
120
130
142
150
160
171
182
190
200
212
220
230
240
251
260
270
281

[1,0,0,1,0,0,0,2,0,0,2,1,0,0,2,0,0,1,2,0,0,2,0,0,
 0,1,0,0,1]