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A106625 as a simple table

na(n)
12
21
34
43
58
65
710
86
913
107
1116
129
1317
1411
1518
1612
1721
1814
1924
2015
2125
2219
2326
2420
2529
2622
2732
2823
2933
3027
3134
3228
3336
3430
3537
3631
3738
3835
3940
4039
4141
4242
4345
4443
4547
4644
4748
4846
4949
5053
5150
5257
5351
5463
5552
5667
5754
5868
5955
6073
6156
6275
6358
6476
6559
6679
6760
6880
6961
7082
7162
7283

[2,1,4,3,8,5,10,6,13,7,16,9,17,11,18,12,21,14,24,
 15,25,19,26,20,29,22,32,23,33,27,34,28,36,30,37,
 31,38,35,40,39,41,42,45,43,47,44,48,46,49,53,50,
 57,51,63,52,67,54,68,55,73,56,75,58,76,59,79,60,
 80,61,82,62,83]