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A228856 as a simple table

na(n)
11
22
33
45
57
68
79
811
912
1013
1114
1216
1317
1418
1519
1621
1722
1823
1925
2026
2127
2229
2330
2431
2533
2634
2735
2836
2937
3039
3141
3243
3344
3445
3546
3647
3749
3850
3952
4053
4155
4256
4357
4459
4560
4661
4762
4863
4964
5065
5166
5267
5368
5469
5570
5671
5773
5874
5975
6076
6177
6279
6380
6481
6583
6684

[1,2,3,5,7,8,9,11,12,13,14,16,17,18,19,21,22,23,
 25,26,27,29,30,31,33,34,35,36,37,39,41,43,44,45,
 46,47,49,50,52,53,55,56,57,59,60,61,62,63,64,65,
 66,67,68,69,70,71,73,74,75,76,77,79,80,81,83,84]