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A212639 as a simple table

na(n)
10
22
33
44
55
64
76
85
97
106
116
128
137
147
159
168
178
186
1910
209
218
229
237
2411
2510
269
2710
288
2912
3011
3110
328
3311
349
3510
3613
3712
3811
399
4012
4110
4211
4314
4413
4512
4610
479
4813
4911
5012
5110
5215
5314
5413
5511
568
5712
5810
5914
6012
6113
6211
6316
6415
6514
6612
679
6813
6911
7015
7113
7214
7312

[0,2,3,4,5,4,6,5,7,6,6,8,7,7,9,8,8,6,10,9,8,9,7,
 11,10,9,10,8,12,11,10,8,11,9,10,13,12,11,9,12,10,
 11,14,13,12,10,9,13,11,12,10,15,14,13,11,8,12,10,
 14,12,13,11,16,15,14,12,9,13,11,15,13,14,12]