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A160453 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1213
1314
1415
1516
1617
1718
1819
1920
2021
2122
2223
2325
2426
2527
2628
2729
2831
2932
3033
3134
3235
3337
3438
3539
3640
3741
3842
3943
4044
4145
4246
4347
4449
4550
4651
4752
4853
4954
5055
5157
5258
5359
5461
5562
5663
5764
5865
5966
6067
6168
6269
6370
6471
6573
6674
6775
6876
6977
7078

[1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,18,19,20,
 21,22,23,25,26,27,28,29,31,32,33,34,35,37,38,39,
 40,41,42,43,44,45,46,47,49,50,51,52,53,54,55,57,
 58,59,61,62,63,64,65,66,67,68,69,70,71,73,74,75,
 76,77,78]