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A082501 as a simple table

na(n)
00
10
21
32
41
52
63
70
83
90
101
112
121
130
143
150
163
172
181
192
201
210
222
230
241
252
261
272

[0,0,1,2,1,2,3,0,3,0,1,2,1,0,3,0,3,2,1,2,1,0,2,0,
 1,2,1,2]