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A026495 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1212
1313
1415
1516
1617
1718
1819
1920
2022
2123
2224
2325
2427
2528
2631
2732
2833
2934
3036
3137
3239
3340
3443
3544
3647
3748
3851
3952
4055
4157
4258
4360
4463
4564
4667
4768
4871
4972
5073
5176
5279
5380
5482
5585
5687
5788
5892
5995
6096
6197
6299
63100
64102
65103
66108
67111
68112
69119
70123

[1,2,3,4,5,6,7,8,9,10,11,12,13,15,16,17,18,19,20,
 22,23,24,25,27,28,31,32,33,34,36,37,39,40,43,44,
 47,48,51,52,55,57,58,60,63,64,67,68,71,72,73,76,
 79,80,82,85,87,88,92,95,96,97,99,100,102,103,108,
 111,112,119,123]