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A083802 as a simple table

na(n)
10
21
31
42
52
63
73
84
94
106
115
126
136
147
157
1615
178
189
199
2010
2110
2221
2311
2412
2512
2615
2713
2818
2914
3015
3115
3216
3316
3433
3517
3635
3718
3819
3919
4039
4120
4221
4321
4422
4522
4645
4723
4824
4924
5028
5125
5251
5326
5427
5527
5655
5728
5857
5929
6030
6130
6231
6331
6463
6532
6665
6733
6834
6934
7069
7135
7236
7336
7437
7537
7675
7738
7877
7939
8040
8140

[0,1,1,2,2,3,3,4,4,6,5,6,6,7,7,15,8,9,9,10,10,21,
 11,12,12,15,13,18,14,15,15,16,16,33,17,35,18,19,
 19,39,20,21,21,22,22,45,23,24,24,28,25,51,26,27,
 27,55,28,57,29,30,30,31,31,63,32,65,33,34,34,69,
 35,36,36,37,37,75,38,77,39,40,40]