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A047263 as a simple table

na(n)
10
21
32
44
55
66
77
88
910
1011
1112
1213
1314
1416
1517
1618
1719
1820
1922
2023
2124
2225
2326
2428
2529
2630
2731
2832
2934
3035
3136
3237
3338
3440
3541
3642
3743
3844
3946
4047
4148
4249
4350
4452
4553
4654
4755
4856
4958
5059
5160
5261
5362
5464
5565
5666
5767
5868
5970
6071
6172
6273
6374
6476
6577
6678
6779
6880
6982
7083
7184
7285

[0,1,2,4,5,6,7,8,10,11,12,13,14,16,17,18,19,20,22,
 23,24,25,26,28,29,30,31,32,34,35,36,37,38,40,41,
 42,43,44,46,47,48,49,50,52,53,54,55,56,58,59,60,
 61,62,64,65,66,67,68,70,71,72,73,74,76,77,78,79,
 80,82,83,84,85]