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A047226 as a simple table

na(n)
10
21
32
43
54
66
77
88
99
1010
1112
1213
1314
1415
1516
1618
1719
1820
1921
2022
2124
2225
2326
2427
2528
2630
2731
2832
2933
3034
3136
3237
3338
3439
3540
3642
3743
3844
3945
4046
4148
4249
4350
4451
4552
4654
4755
4856
4957
5058
5160
5261
5362
5463
5564
5666
5767
5868
5969
6070
6172
6273
6374
6475
6576
6678
6779

[0,1,2,3,4,6,7,8,9,10,12,13,14,15,16,18,19,20,21,
 22,24,25,26,27,28,30,31,32,33,34,36,37,38,39,40,
 42,43,44,45,46,48,49,50,51,52,54,55,56,57,58,60,
 61,62,63,64,66,67,68,69,70,72,73,74,75,76,78,79]