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A066182 as a simple table

na(n)
11
23
32
46
54
65
710
87
98
109
1115
1211
1312
1413
1514
1621
1716
1817
1918
2019
2120
2228
2322
2423
2524
2625
2726
2827
2936
3029
3130
3231
3332
3433
3534
3635
3745
3837
3938
4039
4140
4241
4342
4443
4544
4655
4746
4847
4948
5049
5150
5251
5352
5453
5554
5666
5756
5857
5958
6059
6160
6261
6362
6463
6564
6665
6778
6867
6968
7069
7170
7271

[1,3,2,6,4,5,10,7,8,9,15,11,12,13,14,21,16,17,18,
 19,20,28,22,23,24,25,26,27,36,29,30,31,32,33,34,
 35,45,37,38,39,40,41,42,43,44,55,46,47,48,49,50,
 51,52,53,54,66,56,57,58,59,60,61,62,63,64,65,78,
 67,68,69,70,71]