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A023802 as a simple table

na(n)
10
21
32
43
54
65
76
87
99
1010
1111
1212
1313
1414
1515
1617
1718
1819
1920
2021
2122
2223
2325
2426
2527
2628
2729
2830
2931
3033
3134
3235
3336
3437
3538
3639
3741
3842
3943
4044
4145
4246
4347
4451
4552
4653
4754
4855
4963
5066
5167
5268
5369
5470
5572
5674
5775
5876
5977
6079
6180
6282
6383
6484
6586
6687
6788
6890

[0,1,2,3,4,5,6,7,9,10,11,12,13,14,15,17,18,19,20,
 21,22,23,25,26,27,28,29,30,31,33,34,35,36,37,38,
 39,41,42,43,44,45,46,47,51,52,53,54,55,63,66,67,
 68,69,70,72,74,75,76,77,79,80,82,83,84,86,87,88,
 90]