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A026432 as a simple table

na(n)
11
23
34
45
56
67
78
89
910
1012
1113
1215
1316
1418
1521
1622
1724
1825
1928
2030
2132
2233
2336
2437
2540
2642
2743
2845
2946
3048
3150
3252
3354
3456
3557
3658
3760
3861
3966
4067
4168
4270
4372
4473
4575
4676
4778
4880
4981
5082
5184
5285
5386
5488
5591
5692
5793
5894
5996
6097

[1,3,4,5,6,7,8,9,10,12,13,15,16,18,21,22,24,25,28,
 30,32,33,36,37,40,42,43,45,46,48,50,52,54,56,57,
 58,60,61,66,67,68,70,72,73,75,76,78,80,81,82,84,
 85,86,88,91,92,93,94,96,97]