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A186053 as a simple table

na(n)
00
11
22
32
44
55
63
76
87
96
104
118
128
139
147
155
1610
1711
189
1910
208
216
2211
2312
2413
2510
2611
279
287
2914
3012
3113
3214
3311
3412
3510
368
3716
3816
3913
4014
4115
4212
4313
4411
459
4616
4717
4817
4914
5015
5116
5213
5314
5412
5510
5616
5717
5818
5918
6015
6116
6217
6314
6415
6513
6611
6722
6817
6918
7019
7119
7216
7317

[0,1,2,2,4,5,3,6,7,6,4,8,8,9,7,5,10,11,9,10,8,6,
 11,12,13,10,11,9,7,14,12,13,14,11,12,10,8,16,16,
 13,14,15,12,13,11,9,16,17,17,14,15,16,13,14,12,10,
 16,17,18,18,15,16,17,14,15,13,11,22,17,18,19,19,
 16,17]