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A066203 as a simple table

na(n)
12
21
33
46
510
65
711
84
912
1021
1131
1220
138
1421
157
1622
1738
1855
1937
2018
2138
2217
2339
2416
2540
2615
2741
2814
2942
3013
3143
3274
33106
3473
35107
3672
3736
3873
3935
4074
4134
4275
4333
4476
4532
4677
47123
48170
49122
50171
51121
5270
53122
5469
55123
5668
57124
5867
599
6068
61128
62189
63127
6464
65128
6663
67129
6862

[2,1,3,6,10,5,11,4,12,21,31,20,8,21,7,22,38,55,37,
 18,38,17,39,16,40,15,41,14,42,13,43,74,106,73,107,
 72,36,73,35,74,34,75,33,76,32,77,123,170,122,171,
 121,70,122,69,123,68,124,67,9,68,128,189,127,64,
 128,63,129,62]