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A228298 as a simple table

na(n)
11
22
33
44
55
66
77
87
98
109
1110
1211
1312
1413
1514
1614
1715
1816
1917
2018
2119
2220
2321
2421
2522
2623
2724
2825
2926
3027
3128
3228
3329
3430
3531
3632
3733
3834
3935
4035
4136
4237
4338
4439
4540
4641
4742
4842
4943
5044
5145
5246
5347
5448
5549
5649
5749
5850
5951
6052
6153
6254
6355
6456
6556

[1,2,3,4,5,6,7,7,8,9,10,11,12,13,14,14,15,16,17,
 18,19,20,21,21,22,23,24,25,26,27,28,28,29,30,31,
 32,33,34,35,35,36,37,38,39,40,41,42,42,43,44,45,
 46,47,48,49,49,49,50,51,52,53,54,55,56,56]