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A273881 as a simple table

na(n)
10
21
32
43
54
65
76
87
98
109
1110
1211
1312
1413
1514
1615
1716
1817
1918
2019
2120
2221
2322
2423
2524
2625
2726
2827
2928
3029
3130
3231
3340
3432
3541
3642
3744
3845
3946
4034
4147
4243
4348
4449
4550
4651
4752
4854
4955
5056
5157
5258
5359
5460
5535
5661
5762
5864
5965
6066
6167
6268
6369
6470
6571
6672
6774
6853
6975
7076
7177
7278
7363
7436
7579
7680
7781
7882
7984
8085
8186
8287
8388
8489
8590
8691
8792
8894
8995
9096
9197
9298
9399
94100
9573
96101

[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,
 19,20,21,22,23,24,25,26,27,28,29,30,31,40,32,41,
 42,44,45,46,34,47,43,48,49,50,51,52,54,55,56,57,
 58,59,60,35,61,62,64,65,66,67,68,69,70,71,72,74,
 53,75,76,77,78,63,36,79,80,81,82,84,85,86,87,88,
 89,90,91,92,94,95,96,97,98,99,100,73,101]