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A166493 as a simple table

na(n)
01
11
21
32
43
53
64
75
85
96
106
116
128
138
148
1510
169
1710
181
197
2015
2112
2211
2314
2414
2512
2616
2716
2816
2916
3016
3120
3217
3317
3420
3511
3621
3725
3818
3920
4026
4122
4224
4319
4427
4517
4623
4730
4813
4928
5036
5124
5225
5332
5427
5530
5632
5728
5832
5936
6030
6132
623
6350
6440
6522
6643
6731
6837
6935
7028
7140
7244
7333
7438
7549

[1,1,1,2,3,3,4,5,5,6,6,6,8,8,8,10,9,10,1,7,15,12,
 11,14,14,12,16,16,16,16,16,20,17,17,20,11,21,25,
 18,20,26,22,24,19,27,17,23,30,13,28,36,24,25,32,
 27,30,32,28,32,36,30,32,3,50,40,22,43,31,37,35,28,
 40,44,33,38,49]