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A106251 as a simple table

na(n)
01
10
21
32
42
53
64
73
84
95
105
116
127
136
147
158
168
179
1810
199
2010
2111
2211
2312
2413
2512
2613
2714
2814
2915
3016
3115
3216
3317
3417
3518
3619
3718
3819
3920
4020
4121
4222
4321
4422
4523
4623
4724
4825
4924
5025
5126
5226
5327
5428
5527
5628
5729
5829
5930
6031
6130
6231
6332
6432
6533
6634
6733
6834
6935
7035
7136
7237
7336
7437
7538

[1,0,1,2,2,3,4,3,4,5,5,6,7,6,7,8,8,9,10,9,10,11,
 11,12,13,12,13,14,14,15,16,15,16,17,17,18,19,18,
 19,20,20,21,22,21,22,23,23,24,25,24,25,26,26,27,
 28,27,28,29,29,30,31,30,31,32,32,33,34,33,34,35,
 35,36,37,36,37,38]